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9fyx

Influenza A/H7N9 polymerase pre-cleavage cap-snatching complex

Method: ELECTRON MICROSCOPY Dmax: 232.4 Å Quality: REASONABLE
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1. Protein Identity and Related Structures Protein Identity & Related Structures

RNA polymerase II subunit D

OrganismNot specified

UniProt A0A287ADR4

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain D； UniProt 1–184 Not recorded DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6EXV Structure of mammalian RNA polymerase II elongation complex inhibited by Alpha-amanitin Deposited 2017-11-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain D 1–142（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
6GMH Structure of activated transcription complex Pol II-DSIF-PAF-SPT6 Deposited 2018-05-26 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: heptadecameric
Chain D 1–142（142 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；10s wait prior to blotting, blotting 8.5s
Resolution 3.10 Å
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain D 1–142（142 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6TED Structure of complete, activated transcription complex Pol II-DSIF-PAF-SPT6 uncovers allosteric elongation activation by RTF1 Deposited 2019-11-11 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain D 1–142（142 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；2 microliters applied to both sides of grid. Sample incubated on grid for 10s prior to blotting. Blotting for 8.5s.
Resolution 3.10 Å
7B0Y Structure of a transcribing RNA polymerase II-U1 snRNP complex Deposited 2020-11-23 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 25-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7NVR Human Mediator with RNA Polymerase II Pre-initiation complex Deposited 2021-03-15 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 56 PDB declaration: 58-meric
Chain D 43–184（142 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 18 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7NVS RNA polymerase II core pre-initiation complex with closed promoter DNA in proximal position Deposited 2021-03-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7NVT RNA polymerase II core pre-initiation complex with closed promoter DNA in distal position Deposited 2021-03-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7NVU RNA polymerase II core pre-initiation complex with open promoter DNA Deposited 2021-03-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
7NVY RNA polymerase II pre-initiation complex with closed promoter DNA in proximal position Deposited 2021-03-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain D 43–184（142 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.30 Å
7NVZ RNA polymerase II pre-initiation complex with closed promoter DNA in distal position Deposited 2021-03-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain D 43–184（142 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
7NW0 RNA polymerase II pre-initiation complex with open promoter DNA Deposited 2021-03-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain D 43–184（142 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 15 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 2 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.60 Å
7OKX Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5)-ELL2-EAF1 (composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain D 1–184（184 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7OKY Structure of active transcription elongation complex Pol II-DSIF-ELL2-EAF1(composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain D 1–184（184 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.14 Å
7OL0 Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain D 1–184（184 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OO3 Pol II-CSB-CSA-DDB1-UVSSA (Structure1) Deposited 2021-05-26 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7OOB Pol II-CSB-CSA-DDB1-UVSSA-ADPBeF3 (Structure2) Deposited 2021-05-27 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
7OOP Pol II-CSB-CSA-DDB1-UVSSA-PAF-SPT6 (Structure 3) Deposited 2021-05-28 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 23 PDB declaration: 26-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7OPC Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 4) Deposited 2021-05-31 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OPD Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 5) Deposited 2021-05-31 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OZN RNA Polymerase II dimer (Class 1) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain D 43–184（142 aa）
Chain P 43–184（142 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
7OZO RNA Polymerase II dimer (Class 2) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain D 43–184（142 aa）
Chain P 43–184（142 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
7OZP RNA Polymerase II dimer (Class 3) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain D 43–184（142 aa）
Chain P 43–184（142 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
7PKS Structural basis of Integrator-mediated transcription regulation Deposited 2021-08-26 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 31-meric
Chain D 43–184（142 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7ZWD Structure of SNAPc containing Pol II pre-initiation complex bound to U5 snRNA promoter (CC) Deposited 2022-05-19 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7ZX7 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (CC) Deposited 2022-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
7ZX8 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (OC) Deposited 2022-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8A3Y Structure of mammalian Pol II-DSIF-SPT6-PAF1-TFIIS-hexasome elongation complex Deposited 2022-06-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Insufficient information Heteromer；Protein × 27 PDB declaration: 30-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8A40 Structure of mammalian Pol II-TFIIS elongation complex Deposited 2022-06-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8B3D Structure of the Pol II-TCR-ELOF1 complex. Deposited 2022-09-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.60 Å
8B3F Pol II-CSB-CSA-DDB1-ELOF1 Deposited 2022-09-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8BVW RNA polymerase II pre-initiation complex with the distal +1 nucleosome (PIC-Nuc18W) Deposited 2022-12-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 40 PDB declaration: 42-meric
Chain D 43–184（142 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8BYQ RNA polymerase II pre-initiation complex with the proximal +1 nucleosome (PIC-Nuc10W) Deposited 2022-12-14 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 38 PDB declaration: 40-meric
Chain D 43–184（142 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 16 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8BZ1 RNA polymerase II core pre-initiation complex with the proximal +1 nucleosome (cPIC-Nuc10W) Deposited 2022-12-14 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 26 PDB declaration: 28-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8OEU Structure of the mammalian Pol II-SPT6 complex (composite structure, Structure 4) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain D 1–184（184 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.04 Å
8OEV Structure of the mammalian Pol II-SPT6-Elongin complex, lacking ELOA latch (composite structure, structure 3) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain D 1–184（184 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8OEW Structure of the mammalian Pol II-Elongin complex, lacking the ELOA latch (composite structure, structure 2) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain D 1–184（184 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8OF0 Structure of the mammalian Pol II-SPT6-Elongin complex, Structure 1 Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain D 1–184（184 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
8P4A Structural insights into human co-transcriptional capping - structure 1 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain D 43–184（142 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4B Structural insights into human co-transcriptional capping - structure 2 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8P4C Structural insights into human co-transcriptional capping - structure 3 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 3 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8P4D Structural insights into human co-transcriptional capping - structure 4 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4E Structural insights into human co-transcriptional capping - structure 5 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain D 43–184（142 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8P4F Structural insights into human co-transcriptional capping - structure 6 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain D 43–184（142 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 SAM S-ADENOSYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8RBX Structure of Integrator-PP2A bound to a paused RNA polymerase II-DSIF-NELF-nucleosome complex Deposited 2023-12-05 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8S51 RNA polymerase II core initially transcribing complex with an ordered RNA of 8 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain D 1–184（184 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8S52 RNA polymerase II core initially transcribing complex with an ordered RNA of 10 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain D 1–184（184 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8S54 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state b (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: 18-meric
Chain D 1–184（184 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S55 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state a (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: 19-meric
Chain D 1–184（184 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S5N RNA polymerase II core initially transcribing complex with an ordered RNA of 12 nt Deposited 2024-02-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain D 1–184（184 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9ER2 PolII-TCR-STK19 structure. Deposited 2024-03-22 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain D 1–184（184 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9RTN State 2 MAP 2 SPT6 with SETD2 Deposited 2025-07-03 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain D 43–184（142 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.82 Å
9RTT Activated Elongation Complex with IWS1 and ELOF1 Deposited 2025-07-03 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.01 Å
9RZD State 3 MAP 2 SPT6 with SETD2 Deposited 2025-07-15 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain D 43–184（142 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.69 Å
9RZE State 2 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to proximal upstream H3 Deposited 2025-07-15 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.53 Å
9S0U State 3 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to distal upstream H3 Deposited 2025-07-17 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.72 Å
9S3G State 1 MAP3 RNA Pol II activated elongation complex with SETD2 and upstream hexasome Deposited 2025-07-24 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain D 43–184（142 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å

58 other PDB entries and 58 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A287ADR4_PIG
Isoform —
PDB entities 1
Chains and sequence ranges Author chain D； PDBConstruct 1–184； UniProt 1–184

DNA-directed RNA polymerase II subunit E

OrganismNot specified

UniProt I3LSI7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain E； UniProt 1–210 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6EXV Structure of mammalian RNA polymerase II elongation complex inhibited by Alpha-amanitin Deposited 2017-11-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
6GMH Structure of activated transcription complex Pol II-DSIF-PAF-SPT6 Deposited 2018-05-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: heptadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；10s wait prior to blotting, blotting 8.5s
Resolution 3.10 Å
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain E 1–210（210 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6TED Structure of complete, activated transcription complex Pol II-DSIF-PAF-SPT6 uncovers allosteric elongation activation by RTF1 Deposited 2019-11-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；2 microliters applied to both sides of grid. Sample incubated on grid for 10s prior to blotting. Blotting for 8.5s.
Resolution 3.10 Å
7B0Y Structure of a transcribing RNA polymerase II-U1 snRNP complex Deposited 2020-11-23 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 25-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7B7U Cryo-EM structure of mammalian RNA polymerase II in complex with human RPAP2 Deposited 2020-12-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7EG7 TFIID-based core PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain s 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.20 Å
7EG8 TFIID-based core PIC on PUMA promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain s 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.40 Å
7EG9 TFIID-based intermediate PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain s 1–210（210 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
7NVR Human Mediator with RNA Polymerase II Pre-initiation complex Deposited 2021-03-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 56 PDB declaration: 58-meric
Chain E 1–210（210 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 18 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7NVS RNA polymerase II core pre-initiation complex with closed promoter DNA in proximal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7NVT RNA polymerase II core pre-initiation complex with closed promoter DNA in distal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7NVU RNA polymerase II core pre-initiation complex with open promoter DNA Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
7NVY RNA polymerase II pre-initiation complex with closed promoter DNA in proximal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain E 1–210（210 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.30 Å
7NVZ RNA polymerase II pre-initiation complex with closed promoter DNA in distal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain E 1–210（210 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
7NW0 RNA polymerase II pre-initiation complex with open promoter DNA Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain E 1–210（210 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 15 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 2 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.60 Å
7OKX Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5)-ELL2-EAF1 (composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain E 1–210（210 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7OKY Structure of active transcription elongation complex Pol II-DSIF-ELL2-EAF1(composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain E 1–210（210 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.14 Å
7OL0 Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain E 1–210（210 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OO3 Pol II-CSB-CSA-DDB1-UVSSA (Structure1) Deposited 2021-05-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7OOB Pol II-CSB-CSA-DDB1-UVSSA-ADPBeF3 (Structure2) Deposited 2021-05-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
7OOP Pol II-CSB-CSA-DDB1-UVSSA-PAF-SPT6 (Structure 3) Deposited 2021-05-28 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 23 PDB declaration: 26-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7OPC Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 4) Deposited 2021-05-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OPD Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 5) Deposited 2021-05-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OZN RNA Polymerase II dimer (Class 1) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain E 1–210（210 aa）
Chain Q 1–210（210 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
7OZO RNA Polymerase II dimer (Class 2) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain E 1–210（210 aa）
Chain Q 1–210（210 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
7OZP RNA Polymerase II dimer (Class 3) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain E 1–210（210 aa）
Chain Q 1–210（210 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
7PKS Structural basis of Integrator-mediated transcription regulation Deposited 2021-08-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 31-meric
Chain E 1–210（210 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7ZWD Structure of SNAPc containing Pol II pre-initiation complex bound to U5 snRNA promoter (CC) Deposited 2022-05-19 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7ZX7 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (CC) Deposited 2022-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
7ZX8 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (OC) Deposited 2022-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8A3Y Structure of mammalian Pol II-DSIF-SPT6-PAF1-TFIIS-hexasome elongation complex Deposited 2022-06-09 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Insufficient information Heteromer；Protein × 27 PDB declaration: 30-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8B3D Structure of the Pol II-TCR-ELOF1 complex. Deposited 2022-09-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.60 Å
8B3F Pol II-CSB-CSA-DDB1-ELOF1 Deposited 2022-09-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8BVW RNA polymerase II pre-initiation complex with the distal +1 nucleosome (PIC-Nuc18W) Deposited 2022-12-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 40 PDB declaration: 42-meric
Chain E 1–210（210 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8BYQ RNA polymerase II pre-initiation complex with the proximal +1 nucleosome (PIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 38 PDB declaration: 40-meric
Chain E 1–210（210 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 16 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8BZ1 RNA polymerase II core pre-initiation complex with the proximal +1 nucleosome (cPIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 26 PDB declaration: 28-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8OEU Structure of the mammalian Pol II-SPT6 complex (composite structure, Structure 4) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain E 1–210（210 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.04 Å
8OEV Structure of the mammalian Pol II-SPT6-Elongin complex, lacking ELOA latch (composite structure, structure 3) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain E 1–210（210 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8OEW Structure of the mammalian Pol II-Elongin complex, lacking the ELOA latch (composite structure, structure 2) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain E 1–210（210 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8OF0 Structure of the mammalian Pol II-SPT6-Elongin complex, Structure 1 Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain E 1–210（210 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
8P4A Structural insights into human co-transcriptional capping - structure 1 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain E 1–210（210 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4B Structural insights into human co-transcriptional capping - structure 2 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8P4C Structural insights into human co-transcriptional capping - structure 3 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 3 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8P4D Structural insights into human co-transcriptional capping - structure 4 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4E Structural insights into human co-transcriptional capping - structure 5 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain E 1–210（210 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8P4F Structural insights into human co-transcriptional capping - structure 6 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain E 1–210（210 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 SAM S-ADENOSYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8QEP RNA polymerase II bound to Alu RNA right arm Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: 11-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
8QEQ RNA polymerase II bound to minimal Alu RNA right arm in the alternative conformation Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: 11-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8RBX Structure of Integrator-PP2A bound to a paused RNA polymerase II-DSIF-NELF-nucleosome complex Deposited 2023-12-05 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8S51 RNA polymerase II core initially transcribing complex with an ordered RNA of 8 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8S52 RNA polymerase II core initially transcribing complex with an ordered RNA of 10 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8S54 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state b (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: 18-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S55 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state a (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: 19-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S5N RNA polymerase II core initially transcribing complex with an ordered RNA of 12 nt Deposited 2024-02-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9ER2 PolII-TCR-STK19 structure. Deposited 2024-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9FD2 Structure of Pol II-TC-NER-STK19 complex Deposited 2024-05-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 100 mM NaCl, 3 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9QEQ Structure of the transcribing Pol II-DSIF-SPT6-U1 snRNP complex Deposited 2025-03-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 28-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Hepes, 100 mM NaCl, 3 mM MgCl2, 0.5 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9RTT Activated Elongation Complex with IWS1 and ELOF1 Deposited 2025-07-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.01 Å
9RZE State 2 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to proximal upstream H3 Deposited 2025-07-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.53 Å
9S0U State 3 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to distal upstream H3 Deposited 2025-07-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.72 Å
9S3G State 1 MAP3 RNA Pol II activated elongation complex with SETD2 and upstream hexasome Deposited 2025-07-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain E 1–210（210 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å

66 other PDB entries and 66 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name I3LSI7_PIG
Isoform —
PDB entities 2
Chains and sequence ranges Author chain E； PDBConstruct 1–210； UniProt 1–210

DNA-directed RNA polymerases I, II, and III subunit RPABC2

OrganismNot specified

UniProt A0A4X1VEK9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain F； UniProt 1–127 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
7EDX p53-bound TFIID-based core PIC on HDM2 promoter Deposited 2021-03-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7EG7 TFIID-based core PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.20 Å
7EG8 TFIID-based core PIC on PUMA promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.40 Å
7EG9 TFIID-based intermediate PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
7EGA TFIID-based intermediate PIC on PUMA promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
7EGB TFIID-based holo PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Protein–DNA Heteromer；Protein × 49 PDB declaration: 51-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7EGC p53-bound TFIID-based holo PIC on HDM2 promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 49 PDB declaration: 51-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 16 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
7ENA TFIID-based PIC-Mediator holo-complex in pre-assembled state (pre-hPIC-MED) Deposited 2021-04-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 74 PDB declaration: 76-meric
Chain PF 1–127（127 aa）
Not recorded ZN ZINC ION × 16 MG MAGNESIUM ION × 1 SF4 IRON/SULFUR CLUSTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.07 Å
7ENC TFIID-based PIC-Mediator holo-complex in fully-assembled state (hPIC-MED) Deposited 2021-04-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 74 PDB declaration: 76-meric
Chain PF 1–127（127 aa）
Not recorded ZN ZINC ION × 16 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.13 Å
7F4G Structure of RPAP2-bound RNA polymerase II Deposited 2021-06-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
7UNC Pol II-DSIF-SPT6-PAF1c-TFIIS complex with rewrapped nucleosome Deposited 2022-04-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7UND Pol II-DSIF-SPT6-PAF1c-TFIIS-nucleosome complex (stalled at +38) Deposited 2022-04-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 33-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7YCX The structure of INTAC-PEC complex Deposited 2022-07-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain 5 1–127（127 aa）
Not recorded ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.18 Å
8A40 Structure of mammalian Pol II-TFIIS elongation complex Deposited 2022-06-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8GXQ PIC-Mediator in complex with +1 nucleosome (T40N) in MH-binding state Deposited 2022-09-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 83 PDB declaration: 87-meric
Chain PF 1–127（127 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.04 Å
8GXS PIC-Mediator in complex with +1 nucleosome (T40N) in H-binding state Deposited 2022-09-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 83 PDB declaration: 87-meric
Chain PF 1–127（127 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.16 Å
8QEP RNA polymerase II bound to Alu RNA right arm Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: 11-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
8QEQ RNA polymerase II bound to minimal Alu RNA right arm in the alternative conformation Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: 11-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8UHD Structure of paused transcription complex Pol II-DSIF-NELF - post-translocated Deposited 2023-10-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UI0 Structure of poised transcription complex Pol II-DSIF-NELF - pre-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UIS Structure of transcription complex Pol II-DSIF-NELF-TFIIS Deposited 2023-10-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.23 Å
8W8E human co-transcriptional RNA capping enzyme RNGTT Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain F 1–127（127 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 Å
8W8F human co-transcriptional RNA capping enzyme RNGTT-CMTR1 Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain F 1–127（127 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.00 Å
8WAK Structure of transcribing complex 2 (TC2), the initially transcribing complex with Pol II positioned 2nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.47 Å
8WAL Structure of transcribing complex 3 (TC3), the initially transcribing complex with Pol II positioned 3nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.52 Å
8WAN Structure of transcribing complex 4 (TC4), the initially transcribing complex with Pol II positioned 4nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.07 Å
8WAO Structure of transcribing complex 5 (TC5), the initially transcribing complex with Pol II positioned 5nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
8WAP Structure of transcribing complex 6 (TC6), the initially transcribing complex with Pol II positioned 6nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.85 Å
8WAQ Structure of transcribing complex 7 (TC7), the initially transcribing complex with Pol II positioned 7nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.29 Å
8WAR Structure of transcribing complex 8 (TC8), the initially transcribing complex with Pol II positioned 8nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
8WAS Structure of transcribing complex 9 (TC9), the initially transcribing complex with Pol II positioned 9nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.13 Å
8WAT De novo transcribing complex 10 (TC10), the early elongation complex with Pol II positioned 10nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.82 Å
8WAU De novo transcribing complex 11 (TC11), the early elongation complex with Pol II positioned 11nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain t 1–127（127 aa）
Not recorded W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
8WAV De novo transcribing complex 12 (TC12), the early elongation complex with Pol II positioned 12nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.72 Å
8WAW De novo transcribing complex 13 (TC13), the early elongation complex with Pol II positioned 13nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.02 Å
8WAX De novo transcribing complex 14 (TC14), the early elongation complex with Pol II positioned 14nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.75 Å
8WAY De novo transcribing complex 15 (TC15), the early elongation complex with Pol II positioned 15nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.85 Å
8WAZ De novo transcribing complex 16 (TC16), the early elongation complex with Pol II positioned 16nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.76 Å
8WB0 De novo transcribing complex 17 (TC17), the early elongation complex with Pol II positioned 17nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain t 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.94 Å
9BZ0 Structure of an STK19-containing TC-NER complex Deposited 2024-05-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 1.90 Å
9EGX RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-hexasome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGZ RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 12 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EH0 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 30 bp upstream Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
9EH2 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-FACT nucleosome upstream Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9FD2 Structure of Pol II-TC-NER-STK19 complex Deposited 2024-05-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 100 mM NaCl, 3 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9J0O Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC1-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9J0P Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9MLC Pol II-DSIF-SPT6-PAF1c-TFIIS-IWS1-ELOF1-LEDGF-nucleosome activated elongation complex Composite map T Deposited 2024-12-19 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å
9QEQ Structure of the transcribing Pol II-DSIF-SPT6-U1 snRNP complex Deposited 2025-03-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 28-meric
Chain F 1–127（127 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Hepes, 100 mM NaCl, 3 mM MgCl2, 0.5 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å

57 other PDB entries and 57 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A4X1VEK9_PIG
Isoform —
PDB entities 3
Chains and sequence ranges Author chain F； PDBConstruct 1–127； UniProt 1–127

DNA-directed RNA polymerase subunit

OrganismNot specified

UniProt A0A4X1VKG7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain G； UniProt 1–171 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
7EDX p53-bound TFIID-based core PIC on HDM2 promoter Deposited 2021-03-17 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7EG7 TFIID-based core PIC on SCP promoter Deposited 2021-03-24 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.20 Å
7EG8 TFIID-based core PIC on PUMA promoter Deposited 2021-03-24 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.40 Å
7EG9 TFIID-based intermediate PIC on SCP promoter Deposited 2021-03-24 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
7EGA TFIID-based intermediate PIC on PUMA promoter Deposited 2021-03-24 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
7EGB TFIID-based holo PIC on SCP promoter Deposited 2021-03-24 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Protein–DNA Heteromer；Protein × 49 PDB declaration: 51-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7EGC p53-bound TFIID-based holo PIC on HDM2 promoter Deposited 2021-03-24 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 49 PDB declaration: 51-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 16 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
7ENA TFIID-based PIC-Mediator holo-complex in pre-assembled state (pre-hPIC-MED) Deposited 2021-04-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 74 PDB declaration: 76-meric
Chain PG 1–172（172 aa）
Not recorded ZN ZINC ION × 16 MG MAGNESIUM ION × 1 SF4 IRON/SULFUR CLUSTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.07 Å
7ENC TFIID-based PIC-Mediator holo-complex in fully-assembled state (hPIC-MED) Deposited 2021-04-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 74 PDB declaration: 76-meric
Chain PG 1–172（172 aa）
Not recorded ZN ZINC ION × 16 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.13 Å
7F4G Structure of RPAP2-bound RNA polymerase II Deposited 2021-06-18 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
7UNC Pol II-DSIF-SPT6-PAF1c-TFIIS complex with rewrapped nucleosome Deposited 2022-04-10 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7UND Pol II-DSIF-SPT6-PAF1c-TFIIS-nucleosome complex (stalled at +38) Deposited 2022-04-10 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 33-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7YCX The structure of INTAC-PEC complex Deposited 2022-07-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain k 1–172（172 aa）
Not recorded ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.18 Å
8A3Y Structure of mammalian Pol II-DSIF-SPT6-PAF1-TFIIS-hexasome elongation complex Deposited 2022-06-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Insufficient information Heteromer；Protein × 27 PDB declaration: 30-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8A40 Structure of mammalian Pol II-TFIIS elongation complex Deposited 2022-06-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8BVW RNA polymerase II pre-initiation complex with the distal +1 nucleosome (PIC-Nuc18W) Deposited 2022-12-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 40 PDB declaration: 42-meric
Chain G 1–172（172 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8BYQ RNA polymerase II pre-initiation complex with the proximal +1 nucleosome (PIC-Nuc10W) Deposited 2022-12-14 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 38 PDB declaration: 40-meric
Chain G 1–172（172 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 16 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8GXQ PIC-Mediator in complex with +1 nucleosome (T40N) in MH-binding state Deposited 2022-09-21 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 83 PDB declaration: 87-meric
Chain PG 1–172（172 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.04 Å
8GXS PIC-Mediator in complex with +1 nucleosome (T40N) in H-binding state Deposited 2022-09-21 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 83 PDB declaration: 87-meric
Chain PG 1–172（172 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.16 Å
8OEU Structure of the mammalian Pol II-SPT6 complex (composite structure, Structure 4) Deposited 2023-03-13 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain G 1–172（172 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.04 Å
8OEV Structure of the mammalian Pol II-SPT6-Elongin complex, lacking ELOA latch (composite structure, structure 3) Deposited 2023-03-13 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain G 1–172（172 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8OEW Structure of the mammalian Pol II-Elongin complex, lacking the ELOA latch (composite structure, structure 2) Deposited 2023-03-13 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain G 1–172（172 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8OF0 Structure of the mammalian Pol II-SPT6-Elongin complex, Structure 1 Deposited 2023-03-13 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain G 1–172（172 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
8P4A Structural insights into human co-transcriptional capping - structure 1 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain G 1–172（172 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4B Structural insights into human co-transcriptional capping - structure 2 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8P4C Structural insights into human co-transcriptional capping - structure 3 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 3 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8P4D Structural insights into human co-transcriptional capping - structure 4 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4E Structural insights into human co-transcriptional capping - structure 5 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain G 1–172（172 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8P4F Structural insights into human co-transcriptional capping - structure 6 Deposited 2023-05-20 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain G 1–172（172 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 SAM S-ADENOSYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8QEP RNA polymerase II bound to Alu RNA right arm Deposited 2023-09-01 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: 11-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
8RBX Structure of Integrator-PP2A bound to a paused RNA polymerase II-DSIF-NELF-nucleosome complex Deposited 2023-12-05 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8S51 RNA polymerase II core initially transcribing complex with an ordered RNA of 8 nt Deposited 2024-02-22 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8S52 RNA polymerase II core initially transcribing complex with an ordered RNA of 10 nt Deposited 2024-02-22 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8S54 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state b (composite structure) Deposited 2024-02-22 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: 18-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S55 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state a (composite structure) Deposited 2024-02-22 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: 19-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S5N RNA polymerase II core initially transcribing complex with an ordered RNA of 12 nt Deposited 2024-02-24 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8UHD Structure of paused transcription complex Pol II-DSIF-NELF - post-translocated Deposited 2023-10-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain G 1–171（171 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UI0 Structure of poised transcription complex Pol II-DSIF-NELF - pre-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain G 1–171（171 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UIS Structure of transcription complex Pol II-DSIF-NELF-TFIIS Deposited 2023-10-10 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.23 Å
8W8E human co-transcriptional RNA capping enzyme RNGTT Deposited 2023-09-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain G 1–172（172 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 Å
8W8F human co-transcriptional RNA capping enzyme RNGTT-CMTR1 Deposited 2023-09-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain G 1–172（172 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.00 Å
8WAK Structure of transcribing complex 2 (TC2), the initially transcribing complex with Pol II positioned 2nt downstream of TSS. Deposited 2023-09-07 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.47 Å
8WAL Structure of transcribing complex 3 (TC3), the initially transcribing complex with Pol II positioned 3nt downstream of TSS. Deposited 2023-09-07 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.52 Å
8WAN Structure of transcribing complex 4 (TC4), the initially transcribing complex with Pol II positioned 4nt downstream of TSS. Deposited 2023-09-07 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.07 Å
8WAO Structure of transcribing complex 5 (TC5), the initially transcribing complex with Pol II positioned 5nt downstream of TSS. Deposited 2023-09-07 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
8WAP Structure of transcribing complex 6 (TC6), the initially transcribing complex with Pol II positioned 6nt downstream of TSS. Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.85 Å
8WAQ Structure of transcribing complex 7 (TC7), the initially transcribing complex with Pol II positioned 7nt downstream of TSS. Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.29 Å
8WAR Structure of transcribing complex 8 (TC8), the initially transcribing complex with Pol II positioned 8nt downstream of TSS. Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
8WAS Structure of transcribing complex 9 (TC9), the initially transcribing complex with Pol II positioned 9nt downstream of TSS. Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.13 Å
8WAT De novo transcribing complex 10 (TC10), the early elongation complex with Pol II positioned 10nt downstream of TSS Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.82 Å
8WAU De novo transcribing complex 11 (TC11), the early elongation complex with Pol II positioned 11nt downstream of TSS Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain u 1–172（172 aa）
Not recorded W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
8WAV De novo transcribing complex 12 (TC12), the early elongation complex with Pol II positioned 12nt downstream of TSS Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.72 Å
8WAW De novo transcribing complex 13 (TC13), the early elongation complex with Pol II positioned 13nt downstream of TSS Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.02 Å
8WAX De novo transcribing complex 14 (TC14), the early elongation complex with Pol II positioned 14nt downstream of TSS Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.75 Å
8WAY De novo transcribing complex 15 (TC15), the early elongation complex with Pol II positioned 15nt downstream of TSS Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.85 Å
8WAZ De novo transcribing complex 16 (TC16), the early elongation complex with Pol II positioned 16nt downstream of TSS Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.76 Å
8WB0 De novo transcribing complex 17 (TC17), the early elongation complex with Pol II positioned 17nt downstream of TSS Deposited 2023-09-08 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain u 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.94 Å
9BZ0 Structure of an STK19-containing TC-NER complex Deposited 2024-05-24 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 1.90 Å
9EGX RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-hexasome, bp +27 Deposited 2024-11-21 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGZ RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, bp +27 Deposited 2024-11-21 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 12 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EH0 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 30 bp upstream Deposited 2024-11-21 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
9EH1 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 20 bp upstream Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain G 1–171（171 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9EH2 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-FACT nucleosome upstream Deposited 2024-11-21 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9ER2 PolII-TCR-STK19 structure. Deposited 2024-03-22 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9FD2 Structure of Pol II-TC-NER-STK19 complex Deposited 2024-05-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 100 mM NaCl, 3 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9J0O Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC1-nuc) Deposited 2024-08-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9J0P Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC2-nuc) Deposited 2024-08-02 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9MLC Pol II-DSIF-SPT6-PAF1c-TFIIS-IWS1-ELOF1-LEDGF-nucleosome activated elongation complex Composite map T Deposited 2024-12-19 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å
9QEQ Structure of the transcribing Pol II-DSIF-SPT6-U1 snRNP complex Deposited 2025-03-10 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 28-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Hepes, 100 mM NaCl, 3 mM MgCl2, 0.5 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9RTN State 2 MAP 2 SPT6 with SETD2 Deposited 2025-07-03 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain G 1–172（172 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.82 Å
9RTT Activated Elongation Complex with IWS1 and ELOF1 Deposited 2025-07-03 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.01 Å
9RZD State 3 MAP 2 SPT6 with SETD2 Deposited 2025-07-15 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain G 1–172（172 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.69 Å
9RZE State 2 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to proximal upstream H3 Deposited 2025-07-15 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.53 Å
9S0U State 3 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to distal upstream H3 Deposited 2025-07-17 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.72 Å
9S3G State 1 MAP3 RNA Pol II activated elongation complex with SETD2 and upstream hexasome Deposited 2025-07-24 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain G 1–172（172 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å

83 other PDB entries and 83 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A4X1VKG7_PIG
Isoform —
PDB entities 4
Chains and sequence ranges Author chain G； PDBConstruct 1–171； UniProt 1–171

DNA-directed RNA polymerases I, II, and III subunit RPABC3

OrganismNot specified

UniProt I3LCB2

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain H； UniProt 1–150 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6EXV Structure of mammalian RNA polymerase II elongation complex inhibited by Alpha-amanitin Deposited 2017-11-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
6GMH Structure of activated transcription complex Pol II-DSIF-PAF-SPT6 Deposited 2018-05-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: heptadecameric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；10s wait prior to blotting, blotting 8.5s
Resolution 3.10 Å
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain H 1–150（150 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6TED Structure of complete, activated transcription complex Pol II-DSIF-PAF-SPT6 uncovers allosteric elongation activation by RTF1 Deposited 2019-11-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；2 microliters applied to both sides of grid. Sample incubated on grid for 10s prior to blotting. Blotting for 8.5s.
Resolution 3.10 Å
7B0Y Structure of a transcribing RNA polymerase II-U1 snRNP complex Deposited 2020-11-23 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 25-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8A3Y Structure of mammalian Pol II-DSIF-SPT6-PAF1-TFIIS-hexasome elongation complex Deposited 2022-06-09 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Insufficient information Heteromer；Protein × 27 PDB declaration: 30-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8A40 Structure of mammalian Pol II-TFIIS elongation complex Deposited 2022-06-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8BVW RNA polymerase II pre-initiation complex with the distal +1 nucleosome (PIC-Nuc18W) Deposited 2022-12-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 40 PDB declaration: 42-meric
Chain H 1–150（150 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8BYQ RNA polymerase II pre-initiation complex with the proximal +1 nucleosome (PIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 38 PDB declaration: 40-meric
Chain H 1–150（150 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 16 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8BZ1 RNA polymerase II core pre-initiation complex with the proximal +1 nucleosome (cPIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 26 PDB declaration: 28-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8OEU Structure of the mammalian Pol II-SPT6 complex (composite structure, Structure 4) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain H 1–150（150 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.04 Å
8OEV Structure of the mammalian Pol II-SPT6-Elongin complex, lacking ELOA latch (composite structure, structure 3) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain H 1–150（150 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8OEW Structure of the mammalian Pol II-Elongin complex, lacking the ELOA latch (composite structure, structure 2) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain H 1–150（150 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8OF0 Structure of the mammalian Pol II-SPT6-Elongin complex, Structure 1 Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain H 1–150（150 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
8P4A Structural insights into human co-transcriptional capping - structure 1 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain H 1–150（150 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4B Structural insights into human co-transcriptional capping - structure 2 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8P4C Structural insights into human co-transcriptional capping - structure 3 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 3 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8P4D Structural insights into human co-transcriptional capping - structure 4 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4E Structural insights into human co-transcriptional capping - structure 5 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain H 1–150（150 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8P4F Structural insights into human co-transcriptional capping - structure 6 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain H 1–150（150 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 SAM S-ADENOSYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8QEP RNA polymerase II bound to Alu RNA right arm Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: 11-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
8QEQ RNA polymerase II bound to minimal Alu RNA right arm in the alternative conformation Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: 11-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8RBX Structure of Integrator-PP2A bound to a paused RNA polymerase II-DSIF-NELF-nucleosome complex Deposited 2023-12-05 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8S51 RNA polymerase II core initially transcribing complex with an ordered RNA of 8 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8S52 RNA polymerase II core initially transcribing complex with an ordered RNA of 10 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8S54 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state b (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: 18-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S55 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state a (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: 19-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S5N RNA polymerase II core initially transcribing complex with an ordered RNA of 12 nt Deposited 2024-02-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8W8E human co-transcriptional RNA capping enzyme RNGTT Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain H 1–150（150 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 Å
8W8F human co-transcriptional RNA capping enzyme RNGTT-CMTR1 Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain H 1–150（150 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.00 Å
8WAK Structure of transcribing complex 2 (TC2), the initially transcribing complex with Pol II positioned 2nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.47 Å
8WAL Structure of transcribing complex 3 (TC3), the initially transcribing complex with Pol II positioned 3nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.52 Å
8WAN Structure of transcribing complex 4 (TC4), the initially transcribing complex with Pol II positioned 4nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.07 Å
8WAO Structure of transcribing complex 5 (TC5), the initially transcribing complex with Pol II positioned 5nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
8WAP Structure of transcribing complex 6 (TC6), the initially transcribing complex with Pol II positioned 6nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.85 Å
8WAQ Structure of transcribing complex 7 (TC7), the initially transcribing complex with Pol II positioned 7nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.29 Å
8WAR Structure of transcribing complex 8 (TC8), the initially transcribing complex with Pol II positioned 8nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
8WAS Structure of transcribing complex 9 (TC9), the initially transcribing complex with Pol II positioned 9nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.13 Å
8WAT De novo transcribing complex 10 (TC10), the early elongation complex with Pol II positioned 10nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.82 Å
8WAU De novo transcribing complex 11 (TC11), the early elongation complex with Pol II positioned 11nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain v 1–150（150 aa）
Not recorded W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
8WAV De novo transcribing complex 12 (TC12), the early elongation complex with Pol II positioned 12nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.72 Å
8WAW De novo transcribing complex 13 (TC13), the early elongation complex with Pol II positioned 13nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.02 Å
8WAX De novo transcribing complex 14 (TC14), the early elongation complex with Pol II positioned 14nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.75 Å
8WAY De novo transcribing complex 15 (TC15), the early elongation complex with Pol II positioned 15nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.85 Å
8WAZ De novo transcribing complex 16 (TC16), the early elongation complex with Pol II positioned 16nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.76 Å
8WB0 De novo transcribing complex 17 (TC17), the early elongation complex with Pol II positioned 17nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain v 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.94 Å
9EH1 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 20 bp upstream Deposited 2024-11-21 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain H 2–150（149 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9ER2 PolII-TCR-STK19 structure. Deposited 2024-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9FD2 Structure of Pol II-TC-NER-STK19 complex Deposited 2024-05-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 100 mM NaCl, 3 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9J0O Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC1-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9J0P Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9QEQ Structure of the transcribing Pol II-DSIF-SPT6-U1 snRNP complex Deposited 2025-03-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 28-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Hepes, 100 mM NaCl, 3 mM MgCl2, 0.5 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9RTT Activated Elongation Complex with IWS1 and ELOF1 Deposited 2025-07-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.01 Å
9RZE State 2 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to proximal upstream H3 Deposited 2025-07-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.53 Å
9S0U State 3 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to distal upstream H3 Deposited 2025-07-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.72 Å
9S3G State 1 MAP3 RNA Pol II activated elongation complex with SETD2 and upstream hexasome Deposited 2025-07-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å

61 other PDB entries and 61 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name I3LCB2_PIG
Isoform —
PDB entities 5
Chains and sequence ranges Author chain H； PDBConstruct 1–150； UniProt 1–150

DNA-directed RNA polymerase II subunit RPB9

OrganismNot specified

UniProt P60899

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain I； UniProt 1–125 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6EXV Structure of mammalian RNA polymerase II elongation complex inhibited by Alpha-amanitin Deposited 2017-11-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
6GMH Structure of activated transcription complex Pol II-DSIF-PAF-SPT6 Deposited 2018-05-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: heptadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；10s wait prior to blotting, blotting 8.5s
Resolution 3.10 Å
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6TED Structure of complete, activated transcription complex Pol II-DSIF-PAF-SPT6 uncovers allosteric elongation activation by RTF1 Deposited 2019-11-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；2 microliters applied to both sides of grid. Sample incubated on grid for 10s prior to blotting. Blotting for 8.5s.
Resolution 3.10 Å
7B0Y Structure of a transcribing RNA polymerase II-U1 snRNP complex Deposited 2020-11-23 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 25-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7B7U Cryo-EM structure of mammalian RNA polymerase II in complex with human RPAP2 Deposited 2020-12-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7EDX p53-bound TFIID-based core PIC on HDM2 promoter Deposited 2021-03-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7EG7 TFIID-based core PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.20 Å
7EG8 TFIID-based core PIC on PUMA promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.40 Å
7EG9 TFIID-based intermediate PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
7EGA TFIID-based intermediate PIC on PUMA promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
7EGB TFIID-based holo PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Protein–DNA Heteromer；Protein × 49 PDB declaration: 51-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7EGC p53-bound TFIID-based holo PIC on HDM2 promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 49 PDB declaration: 51-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 16 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
7ENA TFIID-based PIC-Mediator holo-complex in pre-assembled state (pre-hPIC-MED) Deposited 2021-04-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 74 PDB declaration: 76-meric
Chain PI 1–125（125 aa）
Not recorded ZN ZINC ION × 16 MG MAGNESIUM ION × 1 SF4 IRON/SULFUR CLUSTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.07 Å
7ENC TFIID-based PIC-Mediator holo-complex in fully-assembled state (hPIC-MED) Deposited 2021-04-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 74 PDB declaration: 76-meric
Chain PI 1–125（125 aa）
Not recorded ZN ZINC ION × 16 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.13 Å
7F4G Structure of RPAP2-bound RNA polymerase II Deposited 2021-06-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
7NVR Human Mediator with RNA Polymerase II Pre-initiation complex Deposited 2021-03-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 56 PDB declaration: 58-meric
Chain I 1–125（125 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 18 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7NVS RNA polymerase II core pre-initiation complex with closed promoter DNA in proximal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7NVT RNA polymerase II core pre-initiation complex with closed promoter DNA in distal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7NVU RNA polymerase II core pre-initiation complex with open promoter DNA Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
7NVY RNA polymerase II pre-initiation complex with closed promoter DNA in proximal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain I 1–125（125 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.30 Å
7NVZ RNA polymerase II pre-initiation complex with closed promoter DNA in distal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain I 1–125（125 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
7NW0 RNA polymerase II pre-initiation complex with open promoter DNA Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain I 1–125（125 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 15 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 2 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.60 Å
7OKX Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5)-ELL2-EAF1 (composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7OKY Structure of active transcription elongation complex Pol II-DSIF-ELL2-EAF1(composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.14 Å
7OL0 Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OO3 Pol II-CSB-CSA-DDB1-UVSSA (Structure1) Deposited 2021-05-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7OOB Pol II-CSB-CSA-DDB1-UVSSA-ADPBeF3 (Structure2) Deposited 2021-05-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
7OOP Pol II-CSB-CSA-DDB1-UVSSA-PAF-SPT6 (Structure 3) Deposited 2021-05-28 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 23 PDB declaration: 26-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7OPC Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 4) Deposited 2021-05-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OPD Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 5) Deposited 2021-05-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OZN RNA Polymerase II dimer (Class 1) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain I 1–125（125 aa）
Chain U 1–125（125 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
7OZO RNA Polymerase II dimer (Class 2) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain I 1–125（125 aa）
Chain U 1–125（125 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
7OZP RNA Polymerase II dimer (Class 3) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain I 1–125（125 aa）
Chain U 1–125（125 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
7PKS Structural basis of Integrator-mediated transcription regulation Deposited 2021-08-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 31-meric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7YCX The structure of INTAC-PEC complex Deposited 2022-07-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain 7 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.18 Å
7ZWD Structure of SNAPc containing Pol II pre-initiation complex bound to U5 snRNA promoter (CC) Deposited 2022-05-19 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7ZX7 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (CC) Deposited 2022-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
7ZX8 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (OC) Deposited 2022-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8A3Y Structure of mammalian Pol II-DSIF-SPT6-PAF1-TFIIS-hexasome elongation complex Deposited 2022-06-09 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Insufficient information Heteromer；Protein × 27 PDB declaration: 30-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8A40 Structure of mammalian Pol II-TFIIS elongation complex Deposited 2022-06-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8B3D Structure of the Pol II-TCR-ELOF1 complex. Deposited 2022-09-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.60 Å
8B3F Pol II-CSB-CSA-DDB1-ELOF1 Deposited 2022-09-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8BVW RNA polymerase II pre-initiation complex with the distal +1 nucleosome (PIC-Nuc18W) Deposited 2022-12-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 40 PDB declaration: 42-meric
Chain I 1–125（125 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8BYQ RNA polymerase II pre-initiation complex with the proximal +1 nucleosome (PIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 38 PDB declaration: 40-meric
Chain I 1–125（125 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 16 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8BZ1 RNA polymerase II core pre-initiation complex with the proximal +1 nucleosome (cPIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 26 PDB declaration: 28-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8GXQ PIC-Mediator in complex with +1 nucleosome (T40N) in MH-binding state Deposited 2022-09-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 83 PDB declaration: 87-meric
Chain PI 1–125（125 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.04 Å
8GXS PIC-Mediator in complex with +1 nucleosome (T40N) in H-binding state Deposited 2022-09-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 83 PDB declaration: 87-meric
Chain PI 1–125（125 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.16 Å
8OEU Structure of the mammalian Pol II-SPT6 complex (composite structure, Structure 4) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.04 Å
8OEV Structure of the mammalian Pol II-SPT6-Elongin complex, lacking ELOA latch (composite structure, structure 3) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8OEW Structure of the mammalian Pol II-Elongin complex, lacking the ELOA latch (composite structure, structure 2) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8OF0 Structure of the mammalian Pol II-SPT6-Elongin complex, Structure 1 Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
8P4A Structural insights into human co-transcriptional capping - structure 1 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4B Structural insights into human co-transcriptional capping - structure 2 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8P4C Structural insights into human co-transcriptional capping - structure 3 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 3 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8P4D Structural insights into human co-transcriptional capping - structure 4 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4E Structural insights into human co-transcriptional capping - structure 5 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8P4F Structural insights into human co-transcriptional capping - structure 6 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain I 1–125（125 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 SAM S-ADENOSYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8QEP RNA polymerase II bound to Alu RNA right arm Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: 11-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
8QEQ RNA polymerase II bound to minimal Alu RNA right arm in the alternative conformation Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: 11-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8RBX Structure of Integrator-PP2A bound to a paused RNA polymerase II-DSIF-NELF-nucleosome complex Deposited 2023-12-05 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8S51 RNA polymerase II core initially transcribing complex with an ordered RNA of 8 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8S52 RNA polymerase II core initially transcribing complex with an ordered RNA of 10 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8S54 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state b (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: 18-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S55 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state a (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: 19-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S5N RNA polymerase II core initially transcribing complex with an ordered RNA of 12 nt Deposited 2024-02-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8UHD Structure of paused transcription complex Pol II-DSIF-NELF - post-translocated Deposited 2023-10-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UI0 Structure of poised transcription complex Pol II-DSIF-NELF - pre-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UIS Structure of transcription complex Pol II-DSIF-NELF-TFIIS Deposited 2023-10-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.23 Å
8W8E human co-transcriptional RNA capping enzyme RNGTT Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 Å
8W8F human co-transcriptional RNA capping enzyme RNGTT-CMTR1 Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain I 1–125（125 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.00 Å
8WAK Structure of transcribing complex 2 (TC2), the initially transcribing complex with Pol II positioned 2nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.47 Å
8WAL Structure of transcribing complex 3 (TC3), the initially transcribing complex with Pol II positioned 3nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.52 Å
8WAN Structure of transcribing complex 4 (TC4), the initially transcribing complex with Pol II positioned 4nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.07 Å
8WAO Structure of transcribing complex 5 (TC5), the initially transcribing complex with Pol II positioned 5nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
8WAP Structure of transcribing complex 6 (TC6), the initially transcribing complex with Pol II positioned 6nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.85 Å
8WAQ Structure of transcribing complex 7 (TC7), the initially transcribing complex with Pol II positioned 7nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.29 Å
8WAR Structure of transcribing complex 8 (TC8), the initially transcribing complex with Pol II positioned 8nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
8WAS Structure of transcribing complex 9 (TC9), the initially transcribing complex with Pol II positioned 9nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.13 Å
8WAT De novo transcribing complex 10 (TC10), the early elongation complex with Pol II positioned 10nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.82 Å
8WAU De novo transcribing complex 11 (TC11), the early elongation complex with Pol II positioned 11nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain w 1–125（125 aa）
Not recorded W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
8WAV De novo transcribing complex 12 (TC12), the early elongation complex with Pol II positioned 12nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.72 Å
8WAW De novo transcribing complex 13 (TC13), the early elongation complex with Pol II positioned 13nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.02 Å
8WAX De novo transcribing complex 14 (TC14), the early elongation complex with Pol II positioned 14nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.75 Å
8WAY De novo transcribing complex 15 (TC15), the early elongation complex with Pol II positioned 15nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.85 Å
8WAZ De novo transcribing complex 16 (TC16), the early elongation complex with Pol II positioned 16nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.76 Å
8WB0 De novo transcribing complex 17 (TC17), the early elongation complex with Pol II positioned 17nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain w 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.94 Å
9BZ0 Structure of an STK19-containing TC-NER complex Deposited 2024-05-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 1.90 Å
9EGX RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-hexasome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGZ RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 12 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EH0 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 30 bp upstream Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
9EH1 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 20 bp upstream Deposited 2024-11-21 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain I 10–125（116 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9EH2 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-FACT nucleosome upstream Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9ER2 PolII-TCR-STK19 structure. Deposited 2024-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9FD2 Structure of Pol II-TC-NER-STK19 complex Deposited 2024-05-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 100 mM NaCl, 3 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9J0O Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC1-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9J0P Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9MLC Pol II-DSIF-SPT6-PAF1c-TFIIS-IWS1-ELOF1-LEDGF-nucleosome activated elongation complex Composite map T Deposited 2024-12-19 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å
9QEQ Structure of the transcribing Pol II-DSIF-SPT6-U1 snRNP complex Deposited 2025-03-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 28-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Hepes, 100 mM NaCl, 3 mM MgCl2, 0.5 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9RTT Activated Elongation Complex with IWS1 and ELOF1 Deposited 2025-07-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.01 Å
9RZE State 2 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to proximal upstream H3 Deposited 2025-07-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.53 Å
9S0U State 3 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to distal upstream H3 Deposited 2025-07-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.72 Å
9S3G State 1 MAP3 RNA Pol II activated elongation complex with SETD2 and upstream hexasome Deposited 2025-07-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain I 1–125（125 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å

111 other PDB entries and 111 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPB9_PIG
Isoform —
PDB entities 6
Chains and sequence ranges Author chain I； PDBConstruct 1–125； UniProt 1–125

DNA-directed RNA polymerases I, II, and III subunit RPABC5

OrganismNot specified

UniProt A0A4X1VYD0

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain J； UniProt 1–67 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
7B0Y Structure of a transcribing RNA polymerase II-U1 snRNP complex Deposited 2020-11-23 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 25-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7NVR Human Mediator with RNA Polymerase II Pre-initiation complex Deposited 2021-03-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 56 PDB declaration: 58-meric
Chain J 1–67（67 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 18 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7NVS RNA polymerase II core pre-initiation complex with closed promoter DNA in proximal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7NVT RNA polymerase II core pre-initiation complex with closed promoter DNA in distal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7NVU RNA polymerase II core pre-initiation complex with open promoter DNA Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
7NVY RNA polymerase II pre-initiation complex with closed promoter DNA in proximal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain J 1–67（67 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.30 Å
7NVZ RNA polymerase II pre-initiation complex with closed promoter DNA in distal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain J 1–67（67 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
7NW0 RNA polymerase II pre-initiation complex with open promoter DNA Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain J 1–67（67 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 15 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 2 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.60 Å
7OKX Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5)-ELL2-EAF1 (composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain J 1–67（67 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7OKY Structure of active transcription elongation complex Pol II-DSIF-ELL2-EAF1(composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain J 1–67（67 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.14 Å
7OL0 Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain J 1–67（67 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OO3 Pol II-CSB-CSA-DDB1-UVSSA (Structure1) Deposited 2021-05-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7OOB Pol II-CSB-CSA-DDB1-UVSSA-ADPBeF3 (Structure2) Deposited 2021-05-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
7OOP Pol II-CSB-CSA-DDB1-UVSSA-PAF-SPT6 (Structure 3) Deposited 2021-05-28 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 23 PDB declaration: 26-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7OPC Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 4) Deposited 2021-05-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OPD Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 5) Deposited 2021-05-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7ZWD Structure of SNAPc containing Pol II pre-initiation complex bound to U5 snRNA promoter (CC) Deposited 2022-05-19 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7ZX7 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (CC) Deposited 2022-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
7ZX8 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (OC) Deposited 2022-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8A3Y Structure of mammalian Pol II-DSIF-SPT6-PAF1-TFIIS-hexasome elongation complex Deposited 2022-06-09 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Insufficient information Heteromer；Protein × 27 PDB declaration: 30-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8A40 Structure of mammalian Pol II-TFIIS elongation complex Deposited 2022-06-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8BVW RNA polymerase II pre-initiation complex with the distal +1 nucleosome (PIC-Nuc18W) Deposited 2022-12-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 40 PDB declaration: 42-meric
Chain J 1–67（67 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8BYQ RNA polymerase II pre-initiation complex with the proximal +1 nucleosome (PIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 38 PDB declaration: 40-meric
Chain J 1–67（67 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 16 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8BZ1 RNA polymerase II core pre-initiation complex with the proximal +1 nucleosome (cPIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 26 PDB declaration: 28-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8OEU Structure of the mammalian Pol II-SPT6 complex (composite structure, Structure 4) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain J 1–67（67 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.04 Å
8OEV Structure of the mammalian Pol II-SPT6-Elongin complex, lacking ELOA latch (composite structure, structure 3) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain J 1–67（67 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8OEW Structure of the mammalian Pol II-Elongin complex, lacking the ELOA latch (composite structure, structure 2) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain J 1–67（67 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8OF0 Structure of the mammalian Pol II-SPT6-Elongin complex, Structure 1 Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain J 1–67（67 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
8P4A Structural insights into human co-transcriptional capping - structure 1 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain J 1–67（67 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4B Structural insights into human co-transcriptional capping - structure 2 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8P4C Structural insights into human co-transcriptional capping - structure 3 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 3 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8P4D Structural insights into human co-transcriptional capping - structure 4 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4E Structural insights into human co-transcriptional capping - structure 5 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain J 1–67（67 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8P4F Structural insights into human co-transcriptional capping - structure 6 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain J 1–67（67 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 SAM S-ADENOSYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8QEP RNA polymerase II bound to Alu RNA right arm Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: 11-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
8QEQ RNA polymerase II bound to minimal Alu RNA right arm in the alternative conformation Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: 11-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8RBX Structure of Integrator-PP2A bound to a paused RNA polymerase II-DSIF-NELF-nucleosome complex Deposited 2023-12-05 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8S51 RNA polymerase II core initially transcribing complex with an ordered RNA of 8 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8S52 RNA polymerase II core initially transcribing complex with an ordered RNA of 10 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8S54 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state b (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: 18-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S55 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state a (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: 19-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S5N RNA polymerase II core initially transcribing complex with an ordered RNA of 12 nt Deposited 2024-02-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9ER2 PolII-TCR-STK19 structure. Deposited 2024-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9FD2 Structure of Pol II-TC-NER-STK19 complex Deposited 2024-05-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 100 mM NaCl, 3 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9QEQ Structure of the transcribing Pol II-DSIF-SPT6-U1 snRNP complex Deposited 2025-03-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 28-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Hepes, 100 mM NaCl, 3 mM MgCl2, 0.5 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9RTT Activated Elongation Complex with IWS1 and ELOF1 Deposited 2025-07-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.01 Å
9RZE State 2 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to proximal upstream H3 Deposited 2025-07-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.53 Å
9S0U State 3 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to distal upstream H3 Deposited 2025-07-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.72 Å
9S3G State 1 MAP3 RNA Pol II activated elongation complex with SETD2 and upstream hexasome Deposited 2025-07-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain J 1–67（67 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å

53 other PDB entries and 53 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A4X1VYD0_PIG
Isoform —
PDB entities 7
Chains and sequence ranges Author chain J； PDBConstruct 1–67； UniProt 1–67

DNA-directed RNA polymerase II subunit RPB11-a

OrganismNot specified

UniProt F1RKE4

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain K； UniProt 1–117 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6EXV Structure of mammalian RNA polymerase II elongation complex inhibited by Alpha-amanitin Deposited 2017-11-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
6GMH Structure of activated transcription complex Pol II-DSIF-PAF-SPT6 Deposited 2018-05-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: heptadecameric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；10s wait prior to blotting, blotting 8.5s
Resolution 3.10 Å
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain K 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6TED Structure of complete, activated transcription complex Pol II-DSIF-PAF-SPT6 uncovers allosteric elongation activation by RTF1 Deposited 2019-11-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；2 microliters applied to both sides of grid. Sample incubated on grid for 10s prior to blotting. Blotting for 8.5s.
Resolution 3.10 Å
7B0Y Structure of a transcribing RNA polymerase II-U1 snRNP complex Deposited 2020-11-23 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 25-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8A3Y Structure of mammalian Pol II-DSIF-SPT6-PAF1-TFIIS-hexasome elongation complex Deposited 2022-06-09 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Insufficient information Heteromer；Protein × 27 PDB declaration: 30-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8A40 Structure of mammalian Pol II-TFIIS elongation complex Deposited 2022-06-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8BVW RNA polymerase II pre-initiation complex with the distal +1 nucleosome (PIC-Nuc18W) Deposited 2022-12-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 40 PDB declaration: 42-meric
Chain K 1–117（117 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8BYQ RNA polymerase II pre-initiation complex with the proximal +1 nucleosome (PIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 38 PDB declaration: 40-meric
Chain K 1–117（117 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 16 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8BZ1 RNA polymerase II core pre-initiation complex with the proximal +1 nucleosome (cPIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 26 PDB declaration: 28-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8OEU Structure of the mammalian Pol II-SPT6 complex (composite structure, Structure 4) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain K 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.04 Å
8OEV Structure of the mammalian Pol II-SPT6-Elongin complex, lacking ELOA latch (composite structure, structure 3) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain K 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8OEW Structure of the mammalian Pol II-Elongin complex, lacking the ELOA latch (composite structure, structure 2) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain K 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8OF0 Structure of the mammalian Pol II-SPT6-Elongin complex, Structure 1 Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain K 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
8P4A Structural insights into human co-transcriptional capping - structure 1 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain K 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4B Structural insights into human co-transcriptional capping - structure 2 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8P4C Structural insights into human co-transcriptional capping - structure 3 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 3 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8P4D Structural insights into human co-transcriptional capping - structure 4 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4E Structural insights into human co-transcriptional capping - structure 5 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain K 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8P4F Structural insights into human co-transcriptional capping - structure 6 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain K 1–117（117 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 SAM S-ADENOSYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8QEP RNA polymerase II bound to Alu RNA right arm Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: 11-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
8QEQ RNA polymerase II bound to minimal Alu RNA right arm in the alternative conformation Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: 11-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8RBX Structure of Integrator-PP2A bound to a paused RNA polymerase II-DSIF-NELF-nucleosome complex Deposited 2023-12-05 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8S51 RNA polymerase II core initially transcribing complex with an ordered RNA of 8 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8S52 RNA polymerase II core initially transcribing complex with an ordered RNA of 10 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8S54 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state b (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: 18-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S55 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state a (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: 19-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S5N RNA polymerase II core initially transcribing complex with an ordered RNA of 12 nt Deposited 2024-02-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain K 1–115（115 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UI0 Structure of poised transcription complex Pol II-DSIF-NELF - pre-translocated Deposited 2023-10-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain K 1–115（115 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8W8E human co-transcriptional RNA capping enzyme RNGTT Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain K 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 Å
8W8F human co-transcriptional RNA capping enzyme RNGTT-CMTR1 Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain K 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.00 Å
8WAK Structure of transcribing complex 2 (TC2), the initially transcribing complex with Pol II positioned 2nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.47 Å
8WAL Structure of transcribing complex 3 (TC3), the initially transcribing complex with Pol II positioned 3nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.52 Å
8WAN Structure of transcribing complex 4 (TC4), the initially transcribing complex with Pol II positioned 4nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.07 Å
8WAO Structure of transcribing complex 5 (TC5), the initially transcribing complex with Pol II positioned 5nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
8WAP Structure of transcribing complex 6 (TC6), the initially transcribing complex with Pol II positioned 6nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.85 Å
8WAQ Structure of transcribing complex 7 (TC7), the initially transcribing complex with Pol II positioned 7nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.29 Å
8WAR Structure of transcribing complex 8 (TC8), the initially transcribing complex with Pol II positioned 8nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
8WAS Structure of transcribing complex 9 (TC9), the initially transcribing complex with Pol II positioned 9nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.13 Å
8WAT De novo transcribing complex 10 (TC10), the early elongation complex with Pol II positioned 10nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.82 Å
8WAU De novo transcribing complex 11 (TC11), the early elongation complex with Pol II positioned 11nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain y 1–117（117 aa）
Not recorded W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
8WAV De novo transcribing complex 12 (TC12), the early elongation complex with Pol II positioned 12nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.72 Å
8WAW De novo transcribing complex 13 (TC13), the early elongation complex with Pol II positioned 13nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.02 Å
8WAX De novo transcribing complex 14 (TC14), the early elongation complex with Pol II positioned 14nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.75 Å
8WAY De novo transcribing complex 15 (TC15), the early elongation complex with Pol II positioned 15nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.85 Å
8WAZ De novo transcribing complex 16 (TC16), the early elongation complex with Pol II positioned 16nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.76 Å
8WB0 De novo transcribing complex 17 (TC17), the early elongation complex with Pol II positioned 17nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain y 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.94 Å
9EH1 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 20 bp upstream Deposited 2024-11-21 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain K 1–115（115 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9ER2 PolII-TCR-STK19 structure. Deposited 2024-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9FD2 Structure of Pol II-TC-NER-STK19 complex Deposited 2024-05-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 100 mM NaCl, 3 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9J0O Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC1-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9J0P Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9QEQ Structure of the transcribing Pol II-DSIF-SPT6-U1 snRNP complex Deposited 2025-03-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 28-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Hepes, 100 mM NaCl, 3 mM MgCl2, 0.5 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9RTT Activated Elongation Complex with IWS1 and ELOF1 Deposited 2025-07-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.01 Å
9RZE State 2 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to proximal upstream H3 Deposited 2025-07-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.53 Å
9S0U State 3 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to distal upstream H3 Deposited 2025-07-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.72 Å
9S3G State 1 MAP3 RNA Pol II activated elongation complex with SETD2 and upstream hexasome Deposited 2025-07-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain K 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å

63 other PDB entries and 63 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name F1RKE4_PIG
Isoform —
PDB entities 8
Chains and sequence ranges Author chain K； PDBConstruct 1–117； UniProt 1–117

RNA polymerase II, I and III subunit K

OrganismNot specified

UniProt A0A4X1TRS6

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain L； UniProt 1–58 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
7EDX p53-bound TFIID-based core PIC on HDM2 promoter Deposited 2021-03-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7EG7 TFIID-based core PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.20 Å
7EG8 TFIID-based core PIC on PUMA promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.40 Å
7EG9 TFIID-based intermediate PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
7EGA TFIID-based intermediate PIC on PUMA promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
7EGB TFIID-based holo PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Protein–DNA Heteromer；Protein × 49 PDB declaration: 51-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7EGC p53-bound TFIID-based holo PIC on HDM2 promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 49 PDB declaration: 51-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 16 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
7ENA TFIID-based PIC-Mediator holo-complex in pre-assembled state (pre-hPIC-MED) Deposited 2021-04-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 74 PDB declaration: 76-meric
Chain PL 1–58（58 aa）
Not recorded ZN ZINC ION × 16 MG MAGNESIUM ION × 1 SF4 IRON/SULFUR CLUSTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.07 Å
7ENC TFIID-based PIC-Mediator holo-complex in fully-assembled state (hPIC-MED) Deposited 2021-04-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 74 PDB declaration: 76-meric
Chain PL 1–58（58 aa）
Not recorded ZN ZINC ION × 16 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.13 Å
7F4G Structure of RPAP2-bound RNA polymerase II Deposited 2021-06-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
7UNC Pol II-DSIF-SPT6-PAF1c-TFIIS complex with rewrapped nucleosome Deposited 2022-04-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7UND Pol II-DSIF-SPT6-PAF1c-TFIIS-nucleosome complex (stalled at +38) Deposited 2022-04-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 33-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7YCX The structure of INTAC-PEC complex Deposited 2022-07-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain a 1–58（58 aa）
Not recorded ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.18 Å
8GXQ PIC-Mediator in complex with +1 nucleosome (T40N) in MH-binding state Deposited 2022-09-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 83 PDB declaration: 87-meric
Chain PL 1–58（58 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.04 Å
8GXS PIC-Mediator in complex with +1 nucleosome (T40N) in H-binding state Deposited 2022-09-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 83 PDB declaration: 87-meric
Chain PL 1–58（58 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.16 Å
8QEP RNA polymerase II bound to Alu RNA right arm Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: 11-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
8QEQ RNA polymerase II bound to minimal Alu RNA right arm in the alternative conformation Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: 11-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8UHD Structure of paused transcription complex Pol II-DSIF-NELF - post-translocated Deposited 2023-10-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UI0 Structure of poised transcription complex Pol II-DSIF-NELF - pre-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UIS Structure of transcription complex Pol II-DSIF-NELF-TFIIS Deposited 2023-10-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.23 Å
8W8E human co-transcriptional RNA capping enzyme RNGTT Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain L 1–58（58 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 Å
8W8F human co-transcriptional RNA capping enzyme RNGTT-CMTR1 Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain L 1–58（58 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.00 Å
8WAK Structure of transcribing complex 2 (TC2), the initially transcribing complex with Pol II positioned 2nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.47 Å
8WAL Structure of transcribing complex 3 (TC3), the initially transcribing complex with Pol II positioned 3nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.52 Å
8WAN Structure of transcribing complex 4 (TC4), the initially transcribing complex with Pol II positioned 4nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.07 Å
8WAO Structure of transcribing complex 5 (TC5), the initially transcribing complex with Pol II positioned 5nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
8WAP Structure of transcribing complex 6 (TC6), the initially transcribing complex with Pol II positioned 6nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.85 Å
8WAQ Structure of transcribing complex 7 (TC7), the initially transcribing complex with Pol II positioned 7nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.29 Å
8WAR Structure of transcribing complex 8 (TC8), the initially transcribing complex with Pol II positioned 8nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
8WAS Structure of transcribing complex 9 (TC9), the initially transcribing complex with Pol II positioned 9nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.13 Å
8WAT De novo transcribing complex 10 (TC10), the early elongation complex with Pol II positioned 10nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.82 Å
8WAU De novo transcribing complex 11 (TC11), the early elongation complex with Pol II positioned 11nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain z 1–58（58 aa）
Not recorded W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
8WAV De novo transcribing complex 12 (TC12), the early elongation complex with Pol II positioned 12nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.72 Å
8WAW De novo transcribing complex 13 (TC13), the early elongation complex with Pol II positioned 13nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.02 Å
8WAX De novo transcribing complex 14 (TC14), the early elongation complex with Pol II positioned 14nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.75 Å
8WAY De novo transcribing complex 15 (TC15), the early elongation complex with Pol II positioned 15nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.85 Å
8WAZ De novo transcribing complex 16 (TC16), the early elongation complex with Pol II positioned 16nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.76 Å
8WB0 De novo transcribing complex 17 (TC17), the early elongation complex with Pol II positioned 17nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain z 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.94 Å
9BZ0 Structure of an STK19-containing TC-NER complex Deposited 2024-05-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 1.90 Å
9EGX RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-hexasome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGZ RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 12 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EH0 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 30 bp upstream Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
9EH2 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-FACT nucleosome upstream Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9FD2 Structure of Pol II-TC-NER-STK19 complex Deposited 2024-05-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 100 mM NaCl, 3 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9J0O Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC1-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9J0P Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9MLC Pol II-DSIF-SPT6-PAF1c-TFIIS-IWS1-ELOF1-LEDGF-nucleosome activated elongation complex Composite map T Deposited 2024-12-19 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å
9QEQ Structure of the transcribing Pol II-DSIF-SPT6-U1 snRNP complex Deposited 2025-03-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 28-meric
Chain L 1–58（58 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Hepes, 100 mM NaCl, 3 mM MgCl2, 0.5 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å

56 other PDB entries and 56 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A4X1TRS6_PIG
Isoform —
PDB entities 9
Chains and sequence ranges Author chain L； PDBConstruct 1–58； UniProt 1–58

Transcription elongation factor SPT4

Homo sapiens

UniProt P63272

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain Y； UniProt 1–117 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
3H7H Crystal structure of the human transcription elongation factor DSIF, hSpt4/hSpt5 (176-273) Deposited 2009-04-27 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain A 2–117（116 aa）
Not recorded BME BETA-MERCAPTOETHANOL × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；290 K；Ammonium sulfate, PEG 3350, Tris/HCl, beta-mercaptoethanol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Resolution 1.55 Å R-free 0.222
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
6GMH Structure of activated transcription complex Pol II-DSIF-PAF-SPT6 Deposited 2018-05-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: heptadecameric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；10s wait prior to blotting, blotting 8.5s
Resolution 3.10 Å
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain Y 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6TED Structure of complete, activated transcription complex Pol II-DSIF-PAF-SPT6 uncovers allosteric elongation activation by RTF1 Deposited 2019-11-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；2 microliters applied to both sides of grid. Sample incubated on grid for 10s prior to blotting. Blotting for 8.5s.
Resolution 3.10 Å
7OKY Structure of active transcription elongation complex Pol II-DSIF-ELL2-EAF1(composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain Y 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.14 Å
7UND Pol II-DSIF-SPT6-PAF1c-TFIIS-nucleosome complex (stalled at +38) Deposited 2022-04-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 33-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7YCX The structure of INTAC-PEC complex Deposited 2022-07-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain i 1–117（117 aa）
Not recorded ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.18 Å
8P4C Structural insights into human co-transcriptional capping - structure 3 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 3 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8P4D Structural insights into human co-transcriptional capping - structure 4 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4F Structural insights into human co-transcriptional capping - structure 6 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain Y 1–117（117 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 SAM S-ADENOSYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8UHD Structure of paused transcription complex Pol II-DSIF-NELF - post-translocated Deposited 2023-10-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8W8E human co-transcriptional RNA capping enzyme RNGTT Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain Y 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 Å
8W8F human co-transcriptional RNA capping enzyme RNGTT-CMTR1 Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain Y 1–117（117 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.00 Å
8XRM RNA polymerase II elongation complex with DSIF, SPT6, and ELOF1 transcribing genomic DNA extracted from human nuclei Deposited 2024-01-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: 19-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.13 Å
9EGX RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-hexasome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGZ RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 12 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EH0 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 30 bp upstream Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
9EH1 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 20 bp upstream Deposited 2024-11-21 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain Y 2–117（116 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9EH2 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-FACT nucleosome upstream Deposited 2024-11-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9J0O Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC1-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9J0P Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9MLC Pol II-DSIF-SPT6-PAF1c-TFIIS-IWS1-ELOF1-LEDGF-nucleosome activated elongation complex Composite map T Deposited 2024-12-19 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å
9RTT Activated Elongation Complex with IWS1 and ELOF1 Deposited 2025-07-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric
Chain Y 1–117（117 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.01 Å
9VD9 Cryo-EM structure of the human DSS1-INTAC-PEC complex Deposited 2025-06-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 35 PDB declaration: 38-meric
Chain i 1–117（117 aa）
Not recorded ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.60 Å

30 other PDB entries and 30 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SPT4H_HUMAN
Isoform —
PDB entities 13
Chains and sequence ranges Author chain Y； PDBConstruct 1–117； UniProt 1–117

Transcription elongation factor SPT5

Homo sapiens

UniProt O00267

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain Z； UniProt 1–1087 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
2DO3 Solution structure of the third KOW motif of transcription elongation factor SPT5 Deposited 2006-04-27 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 462–523（62 aa） Fragment：KOW motif
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；298 K；Ionic strength (raw mmCIF value) 120mM；Pressure ambient
NMR sample composition 1.1mM 13C/15N-PROTEIN; 20mM d-Tris-HCl(pH7.0); 100mM NaCl; 1mM d-DTT; 0.02% NaN3; 90% H2O, 10% D2O | 90% H2O/10% D2O
Resolution not provided
2E6Z Solution structure of the second KOW motif of human transcription elongation factor SPT5 Deposited 2007-01-05 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 420–471（52 aa） Fragment：KOW motif
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；280 K；Ionic strength (raw mmCIF value) 120mM；Pressure ambient
NMR sample composition 1.11mM 13C-15N PROTEIN; 20mM d-Tris-HCl(pH7.0); 100mM NaCl; 1mM d-DTT; 0.02% NaN3; 90% H2O, 10% D2O | 90% H2O/10% D2O
Resolution not provided
2E70 Solution structure of the fifth KOW motif of human transcription elongation factor SPT5 Deposited 2007-01-05 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 694–757（64 aa） Fragment：KOW motif
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；298 K；Ionic strength (raw mmCIF value) 120mM；Pressure ambient
NMR sample composition 1.15mM 13C-15N PROTEIN; 20mM d-Tris-HCl(pH7.0); 100mM NaCl; 1mM d-DTT; 0.02% NaN3; 90% H2O, 10% D2O | 90% H2O/10% D2O
Resolution not provided
3H7H Crystal structure of the human transcription elongation factor DSIF, hSpt4/hSpt5 (176-273) Deposited 2009-04-27 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 176–273（98 aa） Fragment：UNP residues 176-273
Not recorded BME BETA-MERCAPTOETHANOL × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；290 K；Ammonium sulfate, PEG 3350, Tris/HCl, beta-mercaptoethanol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Resolution 1.55 Å R-free 0.222
4L1U Crystal Structure of Human Rtf1 Plus3 Domain in Complex with Spt5 CTR Phosphopeptide Deposited 2013-06-03 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain G 778–790（13 aa） Fragment：CTR, UNP residues 778-790
Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 7 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；293 K；Sodium acetate, Ammonium sulfate, pH 4.2, vapor diffusion, sitting drop, temperature 293K
Resolution 2.42 Å R-free 0.226
4L1U Crystal Structure of Human Rtf1 Plus3 Domain in Complex with Spt5 CTR Phosphopeptide Deposited 2013-06-03 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain H 778–790（13 aa） Fragment：CTR, UNP residues 778-790
Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 4 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；293 K；Sodium acetate, Ammonium sulfate, pH 4.2, vapor diffusion, sitting drop, temperature 293K
Resolution 2.42 Å R-free 0.226
4L1U Crystal Structure of Human Rtf1 Plus3 Domain in Complex with Spt5 CTR Phosphopeptide Deposited 2013-06-03 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain I 778–790（13 aa） Fragment：CTR, UNP residues 778-790
Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；293 K；Sodium acetate, Ammonium sulfate, pH 4.2, vapor diffusion, sitting drop, temperature 293K
Resolution 2.42 Å R-free 0.226
4L1U Crystal Structure of Human Rtf1 Plus3 Domain in Complex with Spt5 CTR Phosphopeptide Deposited 2013-06-03 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain J 778–790（13 aa） Fragment：CTR, UNP residues 778-790
Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 3 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；293 K；Sodium acetate, Ammonium sulfate, pH 4.2, vapor diffusion, sitting drop, temperature 293K
Resolution 2.42 Å R-free 0.226
5OHO Crystal structure of the KOWx-KOW4 domain of human DSIF Deposited 2017-07-17 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 536–646（111 aa）
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.1 M sodium cacodylate pH 6.5, 1.0 M tri-sodium citrate dihydrate
Resolution 1.60 Å R-free 0.221
5OHO Crystal structure of the KOWx-KOW4 domain of human DSIF Deposited 2017-07-17 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 536–646（111 aa）
Not recorded GOL GLYCEROL × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.1 M sodium cacodylate pH 6.5, 1.0 M tri-sodium citrate dihydrate
Resolution 1.60 Å R-free 0.221
5OHQ Crystal structure of the KOW6-KOW7 domain of human DSIF Deposited 2017-07-17 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 979–1087（109 aa）
Not recorded CL CHLORIDE ION × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；0.1 M bis-tris propane pH 7, 3 M sodium formate
Resolution 1.10 Å R-free 0.140
5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
Resolution 3.70 Å
6EQY 4th KOW domain of human hSpt5 Deposited 2017-10-16 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 522–647（126 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.4；298 K；Ionic strength (raw mmCIF value) 40；Pressure 1
NMR sample composition 0.6 mM [U-99% 13C; U-99% 15N] KOW4, 20 mM sodium phosphate, 20 mM sodium chloride, 0.5 mM DTT, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
6ER0 6th KOW domain of human hSpt5 Deposited 2017-10-16 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 961–1087（127 aa） Fragment：KOW6 domain, UNP residues 961-1087
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.4；298 K；Ionic strength (raw mmCIF value) 40；Pressure 1
NMR sample composition 0.44 mM [U-99% 13C; U-99% 15N] KOW6, 20 mM sodium phosphate, 20 mM sodium chloride, 0.5 mM DTT, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
6GMH Structure of activated transcription complex Pol II-DSIF-PAF-SPT6 Deposited 2018-05-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: heptadecameric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；10s wait prior to blotting, blotting 8.5s
Resolution 3.10 Å
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain Z 1–1087（1087 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6TED Structure of complete, activated transcription complex Pol II-DSIF-PAF-SPT6 uncovers allosteric elongation activation by RTF1 Deposited 2019-11-11 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain Z 1–1087（1087 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；2 microliters applied to both sides of grid. Sample incubated on grid for 10s prior to blotting. Blotting for 8.5s.
Resolution 3.10 Å
7OKX Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5)-ELL2-EAF1 (composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain Z 1–1087（1087 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7OKY Structure of active transcription elongation complex Pol II-DSIF-ELL2-EAF1(composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain Z 1–1087（1087 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.14 Å
7OL0 Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain Z 1–1087（1087 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7PKS Structural basis of Integrator-mediated transcription regulation Deposited 2021-08-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 31-meric
Chain Z 1–1087（1087 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7UNC Pol II-DSIF-SPT6-PAF1c-TFIIS complex with rewrapped nucleosome Deposited 2022-04-10 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain Z 1–1087（1087 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7UND Pol II-DSIF-SPT6-PAF1c-TFIIS-nucleosome complex (stalled at +38) Deposited 2022-04-10 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 33-meric
Chain Z 1–1087（1087 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7YCX The structure of INTAC-PEC complex Deposited 2022-07-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain j 1–1087（1087 aa）
Not recorded ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.18 Å
8A3Y Structure of mammalian Pol II-DSIF-SPT6-PAF1-TFIIS-hexasome elongation complex Deposited 2022-06-09 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Insufficient information Heteromer；Protein × 27 PDB declaration: 30-meric
Chain Z 1–1087（1087 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8P4C Structural insights into human co-transcriptional capping - structure 3 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 3 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8P4D Structural insights into human co-transcriptional capping - structure 4 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4E Structural insights into human co-transcriptional capping - structure 5 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain Z 1–1087（1087 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8P4F Structural insights into human co-transcriptional capping - structure 6 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain Z 1–1087（1087 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 SAM S-ADENOSYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8RBX Structure of Integrator-PP2A bound to a paused RNA polymerase II-DSIF-NELF-nucleosome complex Deposited 2023-12-05 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8UHD Structure of paused transcription complex Pol II-DSIF-NELF - post-translocated Deposited 2023-10-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UI0 Structure of poised transcription complex Pol II-DSIF-NELF - pre-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UIS Structure of transcription complex Pol II-DSIF-NELF-TFIIS Deposited 2023-10-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.23 Å
8W8E human co-transcriptional RNA capping enzyme RNGTT Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain Z 1–1087（1087 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 Å
8W8F human co-transcriptional RNA capping enzyme RNGTT-CMTR1 Deposited 2023-09-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain Z 1–1087（1087 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.00 Å
8XRM RNA polymerase II elongation complex with DSIF, SPT6, and ELOF1 transcribing genomic DNA extracted from human nuclei Deposited 2024-01-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: 19-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.13 Å
9EGX RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-hexasome, bp +27 Deposited 2024-11-21 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain Z 1–1087（1087 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain Z 1–1087（1087 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGZ RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, bp +27 Deposited 2024-11-21 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain Z 1–1087（1087 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 12 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EH0 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 30 bp upstream Deposited 2024-11-21 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain Z 1–1087（1087 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
9EH2 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-FACT nucleosome upstream Deposited 2024-11-21 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain Z 1–1087（1087 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9J0O Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC1-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9J0P Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9MLC Pol II-DSIF-SPT6-PAF1c-TFIIS-IWS1-ELOF1-LEDGF-nucleosome activated elongation complex Composite map T Deposited 2024-12-19 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å
9QEQ Structure of the transcribing Pol II-DSIF-SPT6-U1 snRNP complex Deposited 2025-03-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 28-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Hepes, 100 mM NaCl, 3 mM MgCl2, 0.5 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9RTN State 2 MAP 2 SPT6 with SETD2 Deposited 2025-07-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain Z 1–1087（1087 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.82 Å
9RTT Activated Elongation Complex with IWS1 and ELOF1 Deposited 2025-07-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.01 Å
9RZD State 3 MAP 2 SPT6 with SETD2 Deposited 2025-07-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain Z 1–1087（1087 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.69 Å
9RZE State 2 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to proximal upstream H3 Deposited 2025-07-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain Z 1–1087（1087 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.53 Å
9S0U State 3 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to distal upstream H3 Deposited 2025-07-17 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain Z 1–1087（1087 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.72 Å
9S3G State 1 MAP3 RNA Pol II activated elongation complex with SETD2 and upstream hexasome Deposited 2025-07-24 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain Z 1–1087（1087 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
9VD9 Cryo-EM structure of the human DSS1-INTAC-PEC complex Deposited 2025-06-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 35 PDB declaration: 38-meric
Chain j 1–1087（1087 aa）
Not recorded ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.60 Å

53 other PDB entries and 57 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SPT5H_HUMAN
Isoform —
PDB entities 14
Chains and sequence ranges Author chain Z； PDBConstruct 1–1087； UniProt 1–1087

DNA-directed RNA polymerase subunit

OrganismNot specified

UniProt I3LJR4

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain A； UniProt 11–1649 Non-standard monomer：Yes (specific site not provided by mmCIF) RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6EXV Structure of mammalian RNA polymerase II elongation complex inhibited by Alpha-amanitin Deposited 2017-11-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain A 1–1959（1959 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7B7U Cryo-EM structure of mammalian RNA polymerase II in complex with human RPAP2 Deposited 2020-12-11 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric
Chain A 1–1942（1942 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7PKS Structural basis of Integrator-mediated transcription regulation Deposited 2021-08-26 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 31-meric
Chain M 1584–1596（13 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8RBZ Structure of Integrator-PP2A-SOSS-CTD post-termination complex Deposited 2023-12-05 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 21 PDB declaration: 21-meric
Chain Y 1610–1622（13 aa）
Not recorded ZN ZINC ION × 2 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain A 11–1649（1639 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name I3LJR4_PIG
Isoform —
PDB entities 15
Chains and sequence ranges Author chain A； PDBConstruct 1–1641； UniProt 11–1649

DNA-directed RNA polymerase subunit beta

OrganismNot specified

UniProt A0A0B8RVL1

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain B； UniProt 15–1174 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
7B0Y Structure of a transcribing RNA polymerase II-U1 snRNP complex Deposited 2020-11-23 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 25-meric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7B7U Cryo-EM structure of mammalian RNA polymerase II in complex with human RPAP2 Deposited 2020-12-11 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7OZN RNA Polymerase II dimer (Class 1) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain B 1–1174（1174 aa）
Chain N 1–1174（1174 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
7OZO RNA Polymerase II dimer (Class 2) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain B 1–1174（1174 aa）
Chain N 1–1174（1174 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
7OZP RNA Polymerase II dimer (Class 3) Deposited 2021-06-28 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric
Chain B 1–1174（1174 aa）
Chain N 1–1174（1174 aa）
Not recorded ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
7PKS Structural basis of Integrator-mediated transcription regulation Deposited 2021-08-26 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 31-meric
Chain B 1–1174（1174 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 10 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8B3D Structure of the Pol II-TCR-ELOF1 complex. Deposited 2022-09-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain B 8–1174（1167 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.60 Å
8B3F Pol II-CSB-CSA-DDB1-ELOF1 Deposited 2022-09-16 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain B 8–1174（1167 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8QEP RNA polymerase II bound to Alu RNA right arm Deposited 2023-09-01 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: 11-meric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
8QEQ RNA polymerase II bound to minimal Alu RNA right arm in the alternative conformation Deposited 2023-09-01 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: 11-meric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 100 mM NaCl, 3 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9QEQ Structure of the transcribing Pol II-DSIF-SPT6-U1 snRNP complex Deposited 2025-03-10 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 28-meric
Chain B 1–1174（1174 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Hepes, 100 mM NaCl, 3 mM MgCl2, 0.5 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å

15 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A0B8RVL1_PIG
Isoform —
PDB entities 16
Chains and sequence ranges Author chain B； PDBConstruct 1–1160； UniProt 15–1174

DNA-directed RNA polymerase II subunit RPB3

OrganismNot specified

UniProt I3LCH3

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain C； UniProt 1–275 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6EXV Structure of mammalian RNA polymerase II elongation complex inhibited by Alpha-amanitin Deposited 2017-11-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
6GMH Structure of activated transcription complex Pol II-DSIF-PAF-SPT6 Deposited 2018-05-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: heptadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；10s wait prior to blotting, blotting 8.5s
Resolution 3.10 Å
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain C 1–271（271 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6TED Structure of complete, activated transcription complex Pol II-DSIF-PAF-SPT6 uncovers allosteric elongation activation by RTF1 Deposited 2019-11-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；2 microliters applied to both sides of grid. Sample incubated on grid for 10s prior to blotting. Blotting for 8.5s.
Resolution 3.10 Å
7B0Y Structure of a transcribing RNA polymerase II-U1 snRNP complex Deposited 2020-11-23 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 25-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7B7U Cryo-EM structure of mammalian RNA polymerase II in complex with human RPAP2 Deposited 2020-12-11 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric
Chain C 1–271（271 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7EDX p53-bound TFIID-based core PIC on HDM2 promoter Deposited 2021-03-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7EG7 TFIID-based core PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.20 Å
7EG8 TFIID-based core PIC on PUMA promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.40 Å
7EG9 TFIID-based intermediate PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
7EGB TFIID-based holo PIC on SCP promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Protein–DNA Heteromer；Protein × 49 PDB declaration: 51-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7EGC p53-bound TFIID-based holo PIC on HDM2 promoter Deposited 2021-03-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 49 PDB declaration: 51-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 16 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
7ENA TFIID-based PIC-Mediator holo-complex in pre-assembled state (pre-hPIC-MED) Deposited 2021-04-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 74 PDB declaration: 76-meric
Chain PC 1–275（275 aa）
Not recorded ZN ZINC ION × 16 MG MAGNESIUM ION × 1 SF4 IRON/SULFUR CLUSTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.07 Å
7ENC TFIID-based PIC-Mediator holo-complex in fully-assembled state (hPIC-MED) Deposited 2021-04-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 74 PDB declaration: 76-meric
Chain PC 1–275（275 aa）
Not recorded ZN ZINC ION × 16 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.13 Å
7F4G Structure of RPAP2-bound RNA polymerase II Deposited 2021-06-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
7NVR Human Mediator with RNA Polymerase II Pre-initiation complex Deposited 2021-03-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 56 PDB declaration: 58-meric
Chain C 1–275（275 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 18 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7NVS RNA polymerase II core pre-initiation complex with closed promoter DNA in proximal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7NVT RNA polymerase II core pre-initiation complex with closed promoter DNA in distal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7NVU RNA polymerase II core pre-initiation complex with open promoter DNA Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
7NVY RNA polymerase II pre-initiation complex with closed promoter DNA in proximal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain C 1–275（275 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.30 Å
7NVZ RNA polymerase II pre-initiation complex with closed promoter DNA in distal position Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain C 1–275（275 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
7NW0 RNA polymerase II pre-initiation complex with open promoter DNA Deposited 2021-03-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric
Chain C 1–275（275 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 15 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 2 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.60 Å
7OKX Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5)-ELL2-EAF1 (composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain C 1–275（275 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7OKY Structure of active transcription elongation complex Pol II-DSIF-ELL2-EAF1(composite structure) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain C 1–275（275 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.14 Å
7OL0 Structure of active transcription elongation complex Pol II-DSIF (SPT5-KOW5) Deposited 2021-05-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain C 1–275（275 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OO3 Pol II-CSB-CSA-DDB1-UVSSA (Structure1) Deposited 2021-05-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7OOB Pol II-CSB-CSA-DDB1-UVSSA-ADPBeF3 (Structure2) Deposited 2021-05-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
7OOP Pol II-CSB-CSA-DDB1-UVSSA-PAF-SPT6 (Structure 3) Deposited 2021-05-28 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 23 PDB declaration: 26-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7OPC Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 4) Deposited 2021-05-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OPD Pol II-CSB-CRL4CSA-UVSSA-SPT6-PAF (Structure 5) Deposited 2021-05-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 25 PDB declaration: 28-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7ZWD Structure of SNAPc containing Pol II pre-initiation complex bound to U5 snRNA promoter (CC) Deposited 2022-05-19 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7ZX7 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (CC) Deposited 2022-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
7ZX8 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (OC) Deposited 2022-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8A3Y Structure of mammalian Pol II-DSIF-SPT6-PAF1-TFIIS-hexasome elongation complex Deposited 2022-06-09 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Insufficient information Heteromer；Protein × 27 PDB declaration: 30-meric
Chain C 1–270（270 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8A40 Structure of mammalian Pol II-TFIIS elongation complex Deposited 2022-06-09 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8BVW RNA polymerase II pre-initiation complex with the distal +1 nucleosome (PIC-Nuc18W) Deposited 2022-12-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 40 PDB declaration: 42-meric
Chain C 1–275（275 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 17 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8BYQ RNA polymerase II pre-initiation complex with the proximal +1 nucleosome (PIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 38 PDB declaration: 40-meric
Chain C 1–275（275 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 16 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8BZ1 RNA polymerase II core pre-initiation complex with the proximal +1 nucleosome (cPIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 26 PDB declaration: 28-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8GXQ PIC-Mediator in complex with +1 nucleosome (T40N) in MH-binding state Deposited 2022-09-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 83 PDB declaration: 87-meric
Chain PC 1–275（275 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.04 Å
8GXS PIC-Mediator in complex with +1 nucleosome (T40N) in H-binding state Deposited 2022-09-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 83 PDB declaration: 87-meric
Chain PC 1–275（275 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.16 Å
8OEU Structure of the mammalian Pol II-SPT6 complex (composite structure, Structure 4) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain C 1–275（275 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.04 Å
8OEV Structure of the mammalian Pol II-SPT6-Elongin complex, lacking ELOA latch (composite structure, structure 3) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain C 1–275（275 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8OEW Structure of the mammalian Pol II-Elongin complex, lacking the ELOA latch (composite structure, structure 2) Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain C 1–275（275 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8OF0 Structure of the mammalian Pol II-SPT6-Elongin complex, Structure 1 Deposited 2023-03-13 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain C 1–275（275 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
8P4A Structural insights into human co-transcriptional capping - structure 1 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain C 1–275（275 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4B Structural insights into human co-transcriptional capping - structure 2 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8P4C Structural insights into human co-transcriptional capping - structure 3 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 3 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8P4D Structural insights into human co-transcriptional capping - structure 4 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8P4E Structural insights into human co-transcriptional capping - structure 5 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain C 1–275（275 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8P4F Structural insights into human co-transcriptional capping - structure 6 Deposited 2023-05-20 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain C 1–275（275 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 SAM S-ADENOSYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8QEP RNA polymerase II bound to Alu RNA right arm Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: 11-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
8QEQ RNA polymerase II bound to minimal Alu RNA right arm in the alternative conformation Deposited 2023-09-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: 11-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.25
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8RBX Structure of Integrator-PP2A bound to a paused RNA polymerase II-DSIF-NELF-nucleosome complex Deposited 2023-12-05 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8S51 RNA polymerase II core initially transcribing complex with an ordered RNA of 8 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8S52 RNA polymerase II core initially transcribing complex with an ordered RNA of 10 nt Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8S54 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state b (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: 18-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S55 RNA polymerase II early elongation complex bound to TFIIE and TFIIF - state a (composite structure) Deposited 2024-02-22 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: 19-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8S5N RNA polymerase II core initially transcribing complex with an ordered RNA of 12 nt Deposited 2024-02-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8WAK Structure of transcribing complex 2 (TC2), the initially transcribing complex with Pol II positioned 2nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.47 Å
8WAL Structure of transcribing complex 3 (TC3), the initially transcribing complex with Pol II positioned 3nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.52 Å
8WAN Structure of transcribing complex 4 (TC4), the initially transcribing complex with Pol II positioned 4nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.07 Å
8WAO Structure of transcribing complex 5 (TC5), the initially transcribing complex with Pol II positioned 5nt downstream of TSS. Deposited 2023-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
8WAP Structure of transcribing complex 6 (TC6), the initially transcribing complex with Pol II positioned 6nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.85 Å
8WAQ Structure of transcribing complex 7 (TC7), the initially transcribing complex with Pol II positioned 7nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.29 Å
8WAR Structure of transcribing complex 8 (TC8), the initially transcribing complex with Pol II positioned 8nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
8WAS Structure of transcribing complex 9 (TC9), the initially transcribing complex with Pol II positioned 9nt downstream of TSS. Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 48 PDB declaration: 51-meric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.13 Å
8WAT De novo transcribing complex 10 (TC10), the early elongation complex with Pol II positioned 10nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.82 Å
8WAU De novo transcribing complex 11 (TC11), the early elongation complex with Pol II positioned 11nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain q 1–275（275 aa）
Not recorded W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
8WAV De novo transcribing complex 12 (TC12), the early elongation complex with Pol II positioned 12nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.72 Å
8WAW De novo transcribing complex 13 (TC13), the early elongation complex with Pol II positioned 13nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.02 Å
8WAX De novo transcribing complex 14 (TC14), the early elongation complex with Pol II positioned 14nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.75 Å
8WAY De novo transcribing complex 15 (TC15), the early elongation complex with Pol II positioned 15nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.85 Å
8WAZ De novo transcribing complex 16 (TC16), the early elongation complex with Pol II positioned 16nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.76 Å
8WB0 De novo transcribing complex 17 (TC17), the early elongation complex with Pol II positioned 17nt downstream of TSS Deposited 2023-09-08 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: octadecameric
Chain q 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.94 Å
9ER2 PolII-TCR-STK19 structure. Deposited 2024-03-22 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9FD2 Structure of Pol II-TC-NER-STK19 complex Deposited 2024-05-16 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 100 mM NaCl, 3 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9HVQ Structure of the transcribing Pol II-DSIF-PAF-SPT6-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 21 PDB declaration: 24-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.00 Å
9HWG Structure of the transcribing Pol II-TCR-RECQL5 complex Deposited 2025-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM HEPES pH 7.5, 50 mM KCl, 4 mM MgCl2, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9QEQ Structure of the transcribing Pol II-DSIF-SPT6-U1 snRNP complex Deposited 2025-03-10 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 28-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Hepes, 100 mM NaCl, 3 mM MgCl2, 0.5 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9RTT Activated Elongation Complex with IWS1 and ELOF1 Deposited 2025-07-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.01 Å
9RZE State 2 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to proximal upstream H3 Deposited 2025-07-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.53 Å
9S0U State 3 MAP 3 RNA Pol II activated elongation complex with SETD2 bound to distal upstream H3 Deposited 2025-07-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.72 Å
9S3G State 1 MAP3 RNA Pol II activated elongation complex with SETD2 and upstream hexasome Deposited 2025-07-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain C 1–275（275 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å

85 other PDB entries and 85 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name I3LCH3_PIG
Isoform —
PDB entities 17
Chains and sequence ranges Author chain C； PDBConstruct 1–275； UniProt 1–275

Polymerase acidic protein

Influenza A virus (A/Zhejiang/DTID-ZJU01/2013(H7N9))

UniProt M9TI86

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain a； UniProt 1–716 Mutation：E119D RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6TU5 Influenza A/H7N9 polymerase core (apo) Deposited 2020-01-02 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain AAA 201–716（516 aa）
Chain DDD 201–716（516 aa）
Not recorded MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；281 K；Protein at about 9 mg/ml 0.1 M Tris pH 7.0, 8-13% PEG 8K, 0.2 M MgCl2, 0.1 M guanidine hydrochloride
Resolution 3.33 Å R-free 0.268
7QTL Influenza A/H7N9 polymerase elongation complex Deposited 2022-01-14 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: hexameric
Chain A 1–716（716 aa）
Not recorded 2TM 5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]cytidine × 1 MG MAGNESIUM ION × 2 GTA P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.48 Å
7R0E Early transcription elongation state of influenza A/H7N9 polymerase backtracked due to double incoproation of nucleotide analogue T1106 and with singly incoporated T1106 at the +1 position Deposited 2022-02-01 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: hexameric
Chain A 1–716（716 aa）
Not recorded MG MAGNESIUM ION × 2 GTA P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.51 Å
7Z4O Influenza A/H7N9 polymerase core dimer with Pol II pSer5 CTD peptide mimic bound in site 2A Deposited 2022-03-04 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric
Chain AAA 201–716（516 aa）
Not recorded MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Tris pH 7.0, 13 % PEG 8K, 0.2 M MgCl2, 0.1 M guanidine hydrochloride
Resolution 3.41 Å R-free 0.273
7Z4O Influenza A/H7N9 polymerase core dimer with Pol II pSer5 CTD peptide mimic bound in site 2A Deposited 2022-03-04 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric
Chain DDD 201–716（516 aa）
Not recorded MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Tris pH 7.0, 13 % PEG 8K, 0.2 M MgCl2, 0.1 M guanidine hydrochloride
Resolution 3.41 Å R-free 0.273
7ZPL Symmetric dimer of influenza A/H7N9 polymerase bound to 5' vRNA hook Deposited 2022-04-27 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 6 PDB declaration: octameric
Chain A 1–716（716 aa）
Chain D 1–716（716 aa）
Not recorded MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.12 Å
7ZPM Influenza A/H7N9 polymerase apo-protein dimer complex Deposited 2022-04-27 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–716（716 aa）
Chain D 1–716（716 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.81 Å
8BEK Early transcription elongation state of influenza A/H7N9 backtracked polymerase with singly incoporated T1106 at the U +1 position Deposited 2022-10-21 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: hexameric
Chain A 1–716（716 aa）
Not recorded MG MAGNESIUM ION × 2 GTA P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8PM0 Influenza A/H7N9 polymerase in replicase-like conformation in pre-initiation state with Pol II pS5 CTD peptide mimic bound in site 1A/2A Deposited 2023-06-27 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 5 PDB declaration: hexameric
Chain A 1–716（716 aa）
Mutation：E349K; R490I MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8PNP Influenza A/H7N9 polymerase in pre-initiation state with continuous Pol II pS5 CTD peptide mimic bound in site 1A/2A Deposited 2023-06-30 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric
Chain A 1–716（716 aa）
Mutation：E349K; R490I No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.49 Å
8PNQ Influenza A/H7N9 polymerase in elongation state with continuous Pol II pS5 CTD peptide mimic bound in site 1A/2A Deposited 2023-06-30 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain A 1–716（716 aa）
Mutation：E349K; R490I 2KH 5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]uridine × 1 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.88 Å
8POH Influenza A/H7N9 polymerase symmetric dimer bound to the promoter (PA K289A/C489R) Deposited 2023-07-04 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Protein–RNA Heteromer；Protein × 6 PDB declaration: decameric
Chain A 1–716（716 aa）
Chain E 1–716（716 aa）
Mutation：K289A; C489R Mutation：K289A; C489R MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8R3K Influenza A/H7N9 polymerase in self-stalled pre-termination state, with Pol II pS5 CTD peptide mimic bound in site 1A/2A. Deposited 2023-11-09 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain A 1–716（716 aa）
Mutation：E349K; R490I POP PYROPHOSPHATE 2- × 1 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.43 Å
8R3L Influenza A/H7N9 polymerase in pre-initiation state, intermediate conformation (I) with PB2-C(I), ENDO(T), and Pol II pS5 CTD peptide mimic bound in site 1A/2A Deposited 2023-11-09 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain A 1–716（716 aa）
Mutation：E349K; R490I No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.25 Å
8RMP Influenza polymerase A/H7N9-4M (ENDO(R) | Core1) Deposited 2024-01-08 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–716（716 aa）
Mutation：E349K; R490I MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.77 Å
8RMQ Influenza polymerase A/H7N9-4M (ENDO(R) | Core2) Deposited 2024-01-08 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–716（716 aa）
Mutation：E349K; R490I MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.54 Å
8RMR Influenza polymerase A/H7N9-4M replication complex, an asymmetric polymerase dimer bound to human ANP32A Deposited 2024-01-08 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric
Chain A 1–716（716 aa）
Chain D 1–716（716 aa）
Mutation：E349K; R490I Mutation：E349K; R490I MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.25 Å
8RMS Influenza polymerase A/H7N9-4M replicase minus 627(R) (from "Influenza polymerase A/H7N9-4M replication complex" | Local refinement) Deposited 2024-01-08 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–716（716 aa）
Mutation：E349K; R490I MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.21 Å
8RN0 Influenza polymerase A/H7N9-4M encapsidase plus 627(R) / human ANP32A (from "Influenza polymerase A/H7N9-4M replication complex" | Local refinement) Deposited 2024-01-09 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain D 1–716（716 aa）
Mutation：E349K; R490I No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.13 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain a 1–716（716 aa）
Mutation：E119D ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9RAF Influenza A/H7N9 polymerase in complex with a 70-mer template in stalled elongation with backtracking and stem. Deposited 2025-05-20 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain A 1–716（716 aa）
Mutation：E349K; R490I MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.15 Å
9RAG Influenza A/H7N9 polymerase in complex with a 70-mer RNA template, in stalled elongation. Deposited 2025-05-20 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain A 1–716（716 aa）
Mutation：E349K; R490I MG MAGNESIUM ION × 3 POP PYROPHOSPHATE 2- × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 1.99 Å

21 other PDB entries and 22 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name M9TI86_9INFA
Isoform —
PDB entities 18
Chains and sequence ranges Author chain a； PDBConstruct 2–717； UniProt 1–716

RNA-directed RNA polymerase catalytic subunit

Influenza A virus (A/Zhejiang/DTID-ZJU01/2013(H7N9))

UniProt M9TLW3

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain b； UniProt 1–757 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） Polymerase basic protein 2 × 1 （X5F427） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6TU5 Influenza A/H7N9 polymerase core (apo) Deposited 2020-01-02 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain BBB 1–757（757 aa）
Chain EEE 1–757（757 aa）
Not recorded MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；281 K；Protein at about 9 mg/ml 0.1 M Tris pH 7.0, 8-13% PEG 8K, 0.2 M MgCl2, 0.1 M guanidine hydrochloride
Resolution 3.33 Å R-free 0.268
7QTL Influenza A/H7N9 polymerase elongation complex Deposited 2022-01-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: hexameric
Chain B 1–757（757 aa）
Not recorded 2TM 5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]cytidine × 1 MG MAGNESIUM ION × 2 GTA P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.48 Å
7R0E Early transcription elongation state of influenza A/H7N9 polymerase backtracked due to double incoproation of nucleotide analogue T1106 and with singly incoporated T1106 at the +1 position Deposited 2022-02-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: hexameric
Chain B 1–757（757 aa）
Not recorded MG MAGNESIUM ION × 2 GTA P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.51 Å
7ZPL Symmetric dimer of influenza A/H7N9 polymerase bound to 5' vRNA hook Deposited 2022-04-27 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 6 PDB declaration: octameric
Chain B 1–757（757 aa）
Chain E 1–757（757 aa）
Not recorded MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.12 Å
7ZPM Influenza A/H7N9 polymerase apo-protein dimer complex Deposited 2022-04-27 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain B 1–757（757 aa）
Chain E 1–757（757 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.81 Å
8BEK Early transcription elongation state of influenza A/H7N9 backtracked polymerase with singly incoporated T1106 at the U +1 position Deposited 2022-10-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: hexameric
Chain B 1–757（757 aa）
Not recorded MG MAGNESIUM ION × 2 GTA P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8PM0 Influenza A/H7N9 polymerase in replicase-like conformation in pre-initiation state with Pol II pS5 CTD peptide mimic bound in site 1A/2A Deposited 2023-06-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 5 PDB declaration: hexameric
Chain B 1–757（757 aa）
Not recorded MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8POH Influenza A/H7N9 polymerase symmetric dimer bound to the promoter (PA K289A/C489R) Deposited 2023-07-04 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Protein–RNA Heteromer；Protein × 6 PDB declaration: decameric
Chain B 1–757（757 aa）
Chain F 1–757（757 aa）
Not recorded MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain b 1–757（757 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å

9 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name M9TLW3_9INFA
Isoform —
PDB entities 19
Chains and sequence ranges Author chain b； PDBConstruct 1–757； UniProt 1–757

Polymerase basic protein 2

Influenza A virus (A/Zhejiang/DTID-ZJU01/2013(H7N9))

UniProt X5F427

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 18 DNA 2 RNA 3 PDB declaration: 23-meric（23） Consistent with all polymer counts Chain c； UniProt 1–759 Not recorded RNA polymerase II subunit D × 1 （A0A287ADR4） DNA-directed RNA polymerase II subunit E × 1 （I3LSI7） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （I3LCB2） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A4X1VYD0） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II, I and III subunit K × 1 （A0A4X1TRS6） non-template DNA (43-mer) × 1 cap(1)-RNA (35-MER) × 1 Template DNA (43-MER) × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） DNA-directed RNA polymerase subunit × 1 （I3LJR4） DNA-directed RNA polymerase subunit beta × 1 （A0A0B8RVL1） DNA-directed RNA polymerase II subunit RPB3 × 1 （I3LCH3） Polymerase acidic protein × 1 （M9TI86） RNA-directed RNA polymerase catalytic subunit × 1 （M9TLW3） ;3' vRNA ; × 1 5'-vRNA × 1 Likely SPT5 KOWx4-KOW5 linker, register unclear × 1 ZN ZINC ION × 9 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 MG MAGNESIUM ION × 2 PO4 PHOSPHATE ION × 2 ELECTRON MICROSCOPY cryo-EM buffer：pH 8；20 mM BICINE pH 8.0 150 mM NaCl 0.1 mM MgCl2 4% glycerol cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 9FYX Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6TU5 Influenza A/H7N9 polymerase core (apo) Deposited 2020-01-02 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain CCC 1–128（128 aa）
Chain FFF 1–128（128 aa）
Not recorded MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；281 K；Protein at about 9 mg/ml 0.1 M Tris pH 7.0, 8-13% PEG 8K, 0.2 M MgCl2, 0.1 M guanidine hydrochloride
Resolution 3.33 Å R-free 0.268
7QTL Influenza A/H7N9 polymerase elongation complex Deposited 2022-01-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: hexameric
Chain C 1–759（759 aa）
Not recorded 2TM 5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]cytidine × 1 MG MAGNESIUM ION × 2 GTA P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.48 Å
7R0E Early transcription elongation state of influenza A/H7N9 polymerase backtracked due to double incoproation of nucleotide analogue T1106 and with singly incoporated T1106 at the +1 position Deposited 2022-02-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: hexameric
Chain C 1–759（759 aa）
Not recorded MG MAGNESIUM ION × 2 GTA P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.51 Å
7Z4O Influenza A/H7N9 polymerase core dimer with Pol II pSer5 CTD peptide mimic bound in site 2A Deposited 2022-03-04 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric
Chain CCC 1–128（128 aa）
Not recorded MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Tris pH 7.0, 13 % PEG 8K, 0.2 M MgCl2, 0.1 M guanidine hydrochloride
Resolution 3.41 Å R-free 0.273
7Z4O Influenza A/H7N9 polymerase core dimer with Pol II pSer5 CTD peptide mimic bound in site 2A Deposited 2022-03-04 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric
Chain FFF 1–128（128 aa）
Not recorded MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Tris pH 7.0, 13 % PEG 8K, 0.2 M MgCl2, 0.1 M guanidine hydrochloride
Resolution 3.41 Å R-free 0.273
7ZPL Symmetric dimer of influenza A/H7N9 polymerase bound to 5' vRNA hook Deposited 2022-04-27 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 6 PDB declaration: octameric
Chain C 1–759（759 aa）
Chain F 1–759（759 aa）
Not recorded MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.12 Å
7ZPM Influenza A/H7N9 polymerase apo-protein dimer complex Deposited 2022-04-27 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–759（759 aa）
Chain F 1–759（759 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.81 Å
8BEK Early transcription elongation state of influenza A/H7N9 backtracked polymerase with singly incoporated T1106 at the U +1 position Deposited 2022-10-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: hexameric
Chain C 1–759（759 aa）
Not recorded MG MAGNESIUM ION × 2 GTA P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8PM0 Influenza A/H7N9 polymerase in replicase-like conformation in pre-initiation state with Pol II pS5 CTD peptide mimic bound in site 1A/2A Deposited 2023-06-27 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 5 PDB declaration: hexameric
Chain C 1–759（759 aa）
Mutation：G74R MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8PNP Influenza A/H7N9 polymerase in pre-initiation state with continuous Pol II pS5 CTD peptide mimic bound in site 1A/2A Deposited 2023-06-30 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric
Chain C 1–759（759 aa）
Mutation：G74R No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.49 Å
8PNQ Influenza A/H7N9 polymerase in elongation state with continuous Pol II pS5 CTD peptide mimic bound in site 1A/2A Deposited 2023-06-30 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain C 1–759（759 aa）
Mutation：G74R 2KH 5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]uridine × 1 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.88 Å
8POH Influenza A/H7N9 polymerase symmetric dimer bound to the promoter (PA K289A/C489R) Deposited 2023-07-04 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Protein–RNA Heteromer；Protein × 6 PDB declaration: decameric
Chain C 1–759（759 aa）
Chain G 1–759（759 aa）
Not recorded MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8R3K Influenza A/H7N9 polymerase in self-stalled pre-termination state, with Pol II pS5 CTD peptide mimic bound in site 1A/2A. Deposited 2023-11-09 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain C 1–759（759 aa）
Mutation：G74R POP PYROPHOSPHATE 2- × 1 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.43 Å
8R3L Influenza A/H7N9 polymerase in pre-initiation state, intermediate conformation (I) with PB2-C(I), ENDO(T), and Pol II pS5 CTD peptide mimic bound in site 1A/2A Deposited 2023-11-09 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain C 1–759（759 aa）
Mutation：G74R No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.25 Å
8RMP Influenza polymerase A/H7N9-4M (ENDO(R) | Core1) Deposited 2024-01-08 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1–759（759 aa）
Mutation：G74R MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.77 Å
8RMQ Influenza polymerase A/H7N9-4M (ENDO(R) | Core2) Deposited 2024-01-08 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1–759（759 aa）
Mutation：G74R MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.54 Å
8RMR Influenza polymerase A/H7N9-4M replication complex, an asymmetric polymerase dimer bound to human ANP32A Deposited 2024-01-08 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric
Chain C 1–759（759 aa）
Chain F 1–759（759 aa）
Mutation：G74R Mutation：G74R MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.25 Å
8RMS Influenza polymerase A/H7N9-4M replicase minus 627(R) (from "Influenza polymerase A/H7N9-4M replication complex" | Local refinement) Deposited 2024-01-08 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain C 1–759（759 aa）
Mutation：G74R MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.21 Å
8RN0 Influenza polymerase A/H7N9-4M encapsidase plus 627(R) / human ANP32A (from "Influenza polymerase A/H7N9-4M replication complex" | Local refinement) Deposited 2024-01-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain C 1–759（759 aa）
Chain F 1–759（759 aa）
Mutation：G74R Mutation：G74R No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.13 Å
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain c 1–759（759 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 2 G1G 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-GUANOSINE × 1 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM BICINE pH 8.0 150 mM NaCl 3 mM MgCl2 4% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å

19 other PDB entries and 20 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name X5F427_9INFA
Isoform —
PDB entities 20
Chains and sequence ranges Author chain c； PDBConstruct 1–759； UniProt 1–759

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 9fyx

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9fyx
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9fyx
Deposition date deposition_date2024-07-04
Structure title titleInfluenza A/H7N9 polymerase pre-cleavage cap-snatching complex
Keywords keywordsInfluenza virus, influenza A, cap-snatching, transcription, VIRUS; VIRUS
Experimental Method methodELECTRON MICROSCOPY
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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier67.68 Å
Radius of gyration Rg (electron density) rg_electron67.68 Å
Forward intensity I(0) i09679540000.00
Molecular weight molecular_weight802210.0 kDa
Excluded volume excluded_volume991520 ų
Envelope volume envelope_volume1413600 ų
Hydration-shell volume shell_volume171620 ų
Envelope diameter envelope_diameter250.0 Å
Shell Rg shell_rg70.05 Å
Envelope Rg envelope_rg66.50 Å
Shape Rg shape_rg67.68 Å
Total Rg total_rg67.70 Å
Total atoms total_atoms56099
Residues n_residues6810
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 Å−1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3
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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax232.4 Å
Rg (real space) rg_real67.77 Å
Rg uncertainty (real space) rg_real_error2.59 Å
I(0) (real space) i0_real9.6800e+09
I(0) uncertainty (real space) i0_real_error2.2810e+08
Rg (reciprocal space) rg_reciprocal67.30 Å
I(0) (reciprocal space) i0_reciprocal9671000000.0000
Solution quality estimate total_estimate0.6196
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary70.7 Å
Skewness Skewness skewness0.450
Kurtosis Kurtosis kurtosis-0.231
Angular range angular_range— – 0.1150 Å−1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1352000000.0000
Real-space data points n_real_points24
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.802; Stabil: 1.000; Sysdev: 0.038; Positv: 1.000; Valcen: 1.000; Smooth: 0.533
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (27)

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8. Citations (1)

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9. Files and Curves (10)