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8uhd

Structure of paused transcription complex Pol II-DSIF-NELF - post-translocated

Method: ELECTRON MICROSCOPY Dmax: 193.6 Å Quality: GOOD
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Negative elongation factor E

Homo sapiens

UniProt P18615

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain X； UniProt 1–380 Not recorded Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
1X5P Solution structure of RRM domain in Parp14 Deposited 2005-05-16 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 54–137（84 aa） Fragment：RRM domain
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 0.8mM U-15, 13C; 20mM phosphate buffer NA; 100mM NaCl; 1mM d-DTT; 0.02% NaN3; 90%H2O, 10%D2O | 90% H2O/10% D2O
Resolution not provided
2BZ2 Solution structure of NELF E RRM Deposited 2005-08-10 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 244–343（100 aa） Fragment：RNA RECOGNITION MOTIF, RESIDUES 244-343
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.9；298 K；Ionic strength (raw mmCIF value) 100；Pressure 1.0
NMR sample composition 90% H2O, 10%D2O
Resolution not provided
2JX2 Solution conformation of RNA-bound NELF-E RRM Deposited 2007-11-02 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 244–343（100 aa） Fragment：RRM domain
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.9；298 K；Pressure ambient
NMR sample composition 0.4 mM [U-98% 13C; U-98% 15N] rna bound nelfe-rrm, 0.8 mM TAR(49-57), 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
5OOB COMPLEX OF HUMAN NUCLEAR CAP-BINDING COMPLEX WITH M7GTP AND NELF-E C-TERMINAL PEPTIDE Deposited 2017-08-07 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain Z 360–380（21 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.8；293 K；6 mg/ml of CBC were mixed with 500 microM m7GTP and 500 microM NELF-E peptide in 120 mM NaCl, 1 mM tris(2-carboxyethyl)phosphine, 20 mM HEPES pH 7.8. Crystals grew at 20 C in mother liquor containing 0.2 M lithium citrate and 20% (w/v) PEG 3350.
Resolution 2.79 Å R-free 0.229
5OOB COMPLEX OF HUMAN NUCLEAR CAP-BINDING COMPLEX WITH M7GTP AND NELF-E C-TERMINAL PEPTIDE Deposited 2017-08-07 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain E 360–380（21 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.8；293 K；6 mg/ml of CBC were mixed with 500 microM m7GTP and 500 microM NELF-E peptide in 120 mM NaCl, 1 mM tris(2-carboxyethyl)phosphine, 20 mM HEPES pH 7.8. Crystals grew at 20 C in mother liquor containing 0.2 M lithium citrate and 20% (w/v) PEG 3350.
Resolution 2.79 Å R-free 0.229
5OOB COMPLEX OF HUMAN NUCLEAR CAP-BINDING COMPLEX WITH M7GTP AND NELF-E C-TERMINAL PEPTIDE Deposited 2017-08-07 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain K 360–380（21 aa）
Not recorded MGT 7N-METHYL-8-HYDROGUANOSINE-5'-TRIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.8；293 K；6 mg/ml of CBC were mixed with 500 microM m7GTP and 500 microM NELF-E peptide in 120 mM NaCl, 1 mM tris(2-carboxyethyl)phosphine, 20 mM HEPES pH 7.8. Crystals grew at 20 C in mother liquor containing 0.2 M lithium citrate and 20% (w/v) PEG 3350.
Resolution 2.79 Å R-free 0.229
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different construct Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain X 8–387（380 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
7YCX The structure of INTAC-PEC complex Deposited 2022-07-02 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain h 1–380（380 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
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain X 1–380（380 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
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain X 1–380（380 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain X 1–380（380 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 X 1–380（380 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
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain X 1–380（380 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain X 1–380（380 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain X 1–380（380 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

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

View Construct and Data Evidence
UniProt name NELFE_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain X； PDBConstruct 1–380； UniProt 1–380

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain Z； UniProt 1–1087 Not recorded Negative elongation factor E × 1 （P18615） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD 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 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 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 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 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 3.30 Å
7OKY Structure of active transcription elongation complex Pol II-DSIF-ELL2-EAF1(composite structure) Deposited 2021-05-18 Different oligomeric state 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 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 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 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 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 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 structure-quality metrics 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 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 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 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 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 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 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
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion 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 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 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 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 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 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 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 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
9FYX Influenza A/H7N9 polymerase pre-cleavage cap-snatching complex Deposited 2024-07-04 Different oligomeric state 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 × 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
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different oligomeric state 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 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 experimental conditions Different structure-quality metrics 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 experimental conditions Different structure-quality metrics 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 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 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 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 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 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 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 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 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 2
Chains and sequence ranges Author chain Z； PDBConstruct 1–1087； UniProt 1–1087

Negative elongation factor C/D

Homo sapiens

UniProt Q8IXH7

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain W； UniProt 1–590 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5L3X Crystal structure of negative elongation factor subcomplex NELF-AC Deposited 2016-05-24 Different construct 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 B 186–590（405 aa）
Not recorded CL CHLORIDE ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291.15 K；14-14.5% (w/v) PEG 3350 200mM sodium malonate pH 6.8-7.0
Resolution 2.75 Å R-free 0.256
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different construct Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain W 10–590（581 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
7PKS Structural basis of Integrator-mediated transcription regulation Deposited 2021-08-26 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 31-meric
Chain W 1–590（590 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain g 1–590（590 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
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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain w 10–590（581 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain W 1–590（590 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
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain W 1–590（590 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain W 1–590（590 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain W 1–590（590 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 W 10–590（581 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
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain W 1–590（590 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain W 1–590（590 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain W 1–590（590 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
9VD9 Cryo-EM structure of the human DSS1-INTAC-PEC complex Deposited 2025-06-07 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 35 PDB declaration: 38-meric
Chain g 1–590（590 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

14 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NELFD_HUMAN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain W； PDBConstruct 1–590； UniProt 1–590

Negative elongation factor B

Homo sapiens

UniProt Q8WX92

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain V； UniProt 1–580 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different construct Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain V 42–580（539 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
7PKS Structural basis of Integrator-mediated transcription regulation Deposited 2021-08-26 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 31-meric
Chain V 1–580（580 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain f 1–580（580 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
8JJ6 Structure of the NELF-BCE complex Deposited 2023-05-29 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain A 1–560（560 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M BICINE pH 8.5 and 20% v/v Polyethylene glycol 300
Resolution 2.72 Å R-free 0.262
8JJ6 Structure of the NELF-BCE complex Deposited 2023-05-29 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric
Chain B 1–560（560 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M BICINE pH 8.5 and 20% v/v Polyethylene glycol 300
Resolution 2.72 Å R-free 0.262
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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain v 1–580（580 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain V 1–580（580 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
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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain V 1–554（554 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain V 1–554（554 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 V 1–580（580 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
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain V 1–580（580 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain V 1–580（580 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain V 1–580（580 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
9VD9 Cryo-EM structure of the human DSS1-INTAC-PEC complex Deposited 2025-06-07 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 35 PDB declaration: 38-meric
Chain f 1–580（580 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

13 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NELFB_HUMAN
Isoform —
PDB entities 4
Chains and sequence ranges Author chain V； PDBConstruct 1–580； UniProt 1–580

DNA-directed RNA polymerase subunit

OrganismNot specified

UniProt A0A8D1DPV6

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain A； UniProt 1–1970 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
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 A 1–1970（1970 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 A 1–1970（1970 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 A 1–1970（1970 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
8BZ1 RNA polymerase II core pre-initiation complex with the proximal +1 nucleosome (cPIC-Nuc10W) Deposited 2022-12-14 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 26 PDB declaration: 28-meric
Chain A 1–1970（1970 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 PA 1–1970（1970 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 PA 1–1970（1970 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 A 1–1970（1970 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 A 1–1970（1970 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain A 1–1970（1970 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
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain A 1–1970（1970 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain A 1–1970（1970 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain A 1–1970（1970 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 A 1–1970（1970 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 A 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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 o 1–1970（1970 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
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 A 1–1970（1970 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
9HVO Structure of the transcribing Pol II-RECQL5 complex Deposited 2024-12-31 Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: 16-meric
Chain A 1–1970（1970 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 A 1–1970（1970 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 ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain A 1–1970（1970 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain A 1–1970（1970 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain A 1–1970（1970 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain A 1–1970（1970 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 A 1–1970（1970 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 mutation/modification Different oligomeric state Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric
Chain A 1–1970（1970 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 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 mutation/modification Different oligomeric state Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain A 1–1970（1970 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 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain A 1–1970（1970 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain A 1–1970（1970 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

42 other PDB entries and 42 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A8D1DPV6_PIG
Isoform —
PDB entities 5
Chains and sequence ranges Author chain A； PDBConstruct 1–1970； UniProt 1–1970

DNA-directed RNA polymerase subunit beta

OrganismNot specified

UniProt A0A4X1TVZ5

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain B； UniProt 78–1251 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD 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 experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain p 78–1251（1174 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 experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain p 78–1251（1174 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 experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 49 PDB declaration: 51-meric
Chain p 78–1251（1174 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 p 78–1251（1174 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 PB 78–1251（1174 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 PB 78–1251（1174 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 B 78–1251（1174 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain B 1–1251（1251 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 33-meric
Chain B 1–1251（1251 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain 2 78–1251（1174 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 PB 78–1251（1174 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 PB 78–1251（1174 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
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain B 78–1251（1174 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
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain B 78–1251（1174 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain B 78–1251（1174 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain B 78–1251（1174 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 B 78–1251（1174 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 B 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 p 78–1251（1174 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain B 1–1251（1251 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain B 1–1251（1251 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain B 1–1251（1251 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain B 1–1251（1251 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain B 1–1251（1251 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain B 93–1251（1159 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain B 1–1251（1251 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
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain B 78–1251（1174 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain B 78–1251（1174 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain B 78–1251（1174 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

47 other PDB entries and 47 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A4X1TVZ5_PIG
Isoform —
PDB entities 6
Chains and sequence ranges Author chain B； PDBConstruct 1–1174； UniProt 78–1251

DNA-directed RNA polymerase II subunit RPB3

OrganismNot specified

UniProt A0A481DF93

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain C； UniProt 46–316 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
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 q 46–318（273 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
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 C 46–320（275 aa）
Chain O 46–320（275 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 C 46–320（275 aa）
Chain O 46–320（275 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 C 46–320（275 aa）
Chain O 46–320（275 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 31-meric
Chain C 46–320（275 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 construct Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain C 46–320（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 3.00 Å
7UND Pol II-DSIF-SPT6-PAF1c-TFIIS-nucleosome complex (stalled at +38) Deposited 2022-04-10 Different construct Different oligomeric state Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 33-meric
Chain C 46–320（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 3.00 Å
7YCX The structure of INTAC-PEC complex Deposited 2022-07-02 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain 3 46–316（271 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
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 C 46–320（275 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain C 46–320（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 3.10 Å
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain C 46–316（271 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
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain C 46–316（271 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain C 46–316（271 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain C 46–316（271 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 C 46–316（271 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 C 46–316（271 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
9BZ0 Structure of an STK19-containing TC-NER complex Deposited 2024-05-24 Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain C 46–320（275 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
Chain C 46–320（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 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain C 46–320（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 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain C 46–320（275 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain C 46–320（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 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain C 47–315（269 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain C 46–320（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 3.10 Å
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain C 46–316（271 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain C 46–316（271 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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain C 46–316（271 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric
Chain C 46–320（275 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

27 other PDB entries and 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A481DF93_PIG
Isoform —
PDB entities 7
Chains and sequence ranges Author chain C； PDBConstruct 1–271； UniProt 46–316

RNA polymerase Rpb4/RPC9 core domain-containing protein

OrganismNot specified

UniProt A0A8D0KES4

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain D； UniProt 43–184 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-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 3.50 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 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 7.4
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 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 7.4
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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
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 3.23 Å
9BZ0 Structure of an STK19-containing TC-NER complex Deposited 2024-05-24 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric
Chain D 43–184（142 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-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 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state 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 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 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 × 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 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 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain D 56–181（126 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 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 3.10 Å

11 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A8D0KES4_PIG
Isoform —
PDB entities 8
Chains and sequence ranges Author chain D； PDBConstruct 1–142； UniProt 43–184

DNA-directed RNA polymerase II subunit E

OrganismNot specified

UniProt A0A4X1VTX4

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain E； UniProt 1–210 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD 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 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 4.50 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 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 4.10 Å
7EGB TFIID-based holo 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 × 49 PDB declaration: 51-meric
Chain s 1–210（210 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 s 1–210（210 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 PE 1–210（210 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 PE 1–210（210 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 E 1–210（210 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric
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 3.00 Å
7UND Pol II-DSIF-SPT6-PAF1c-TFIIS-nucleosome complex (stalled at +38) Deposited 2022-04-10 Different oligomeric state Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 33-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 3.00 Å
7YCX The structure of INTAC-PEC complex Deposited 2022-07-02 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain 4 1–210（210 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric
Chain E 1–210（210 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 PE 1–210（210 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 PE 1–210（210 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
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 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 × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 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 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 7.4
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 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 7.4
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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
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 3.23 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 E 1–210（210 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 E 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 s 1–210（210 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 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 × 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-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 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state 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 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 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 × 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 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 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric
Chain E 2–210（209 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 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 3.10 Å
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Other combination 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 7.9
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 experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain E 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 3.30 Å
9J0P Arrested elongation complex of mammalian RNA polymerase II with nucleosome (AEC2-nuc) Deposited 2024-08-02 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain E 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 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric
Chain E 1–210（210 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

46 other PDB entries and 46 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A4X1VTX4_PIG
Isoform —
PDB entities 9
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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain F； UniProt 1–127 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD 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 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 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 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 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 × 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 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 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 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 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 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
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion 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 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 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 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 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 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 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 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 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
9FYX Influenza A/H7N9 polymerase pre-cleavage cap-snatching complex Deposited 2024-07-04 Different oligomeric state 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 × 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
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different oligomeric state 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 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 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 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 experimental conditions Different structure-quality metrics 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 experimental conditions Different structure-quality metrics 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 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 10
Chains and sequence ranges Author chain F； PDBConstruct 1–127； UniProt 1–127

DNA-directed RNA polymerase II subunit RPB7

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain G； UniProt 1–172 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD 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 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 oligomeric state 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 oligomeric state 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 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 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 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 × 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 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 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 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 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 oligomeric state Different ligand/ion 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 oligomeric state 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 oligomeric state Different ligand/ion 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 oligomeric state Different structure-quality metrics 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 oligomeric state Different ligand/ion 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 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 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 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 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 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 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 oligomeric state Different ligand/ion Different experimental conditions 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 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 oligomeric state Different ligand/ion 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 oligomeric state Different ligand/ion 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 oligomeric state Different ligand/ion 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 oligomeric state Different ligand/ion 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 oligomeric state Different ligand/ion 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 oligomeric state Different ligand/ion 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 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 oligomeric state Different ligand/ion 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 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 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 oligomeric state 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 oligomeric state 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 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 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
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 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 construct Different oligomeric state Different ligand/ion 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 oligomeric state Different ligand/ion 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 oligomeric state Different ligand/ion 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 oligomeric state 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 oligomeric state 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 oligomeric state Different ligand/ion 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 oligomeric state 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 construct Different oligomeric state 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 oligomeric state 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 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 × 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 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
9FYX Influenza A/H7N9 polymerase pre-cleavage cap-snatching complex Deposited 2024-07-04 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 23-meric
Chain G 1–171（171 aa）
Not recorded 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
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different oligomeric state 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 oligomeric state Different ligand/ion Different experimental conditions 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 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 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 oligomeric state 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 oligomeric state Different experimental conditions Different structure-quality metrics 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 oligomeric state Different experimental conditions Different structure-quality metrics 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 oligomeric state Different ligand/ion 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 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 oligomeric state Different ligand/ion 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 oligomeric state 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 oligomeric state Different ligand/ion 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 oligomeric state 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 oligomeric state 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 oligomeric state 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 11
Chains and sequence ranges Author chain G； PDBConstruct 1–172； UniProt 1–172

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

OrganismNot specified

UniProt A0A8D1AQR7

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain H； UniProt 1–150 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 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 × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
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 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
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 2.70 Å
8UIS Structure of transcription complex Pol II-DSIF-NELF-TFIIS Deposited 2023-10-10 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
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 3.23 Å
9BZ0 Structure of an STK19-containing TC-NER complex Deposited 2024-05-24 Different oligomeric state Different ligand/ion 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 × 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-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 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state 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 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 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 × 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 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 3.60 Å
9EH2 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-FACT nucleosome upstream Deposited 2024-11-21 Different oligomeric state 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 3.10 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric
Chain H 1–150（150 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

11 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A8D1AQR7_PIG
Isoform —
PDB entities 12
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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain I； UniProt 1–125 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD 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 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 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 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 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 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 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 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 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 × 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 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 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 3.30 Å
7OKY Structure of active transcription elongation complex Pol II-DSIF-ELL2-EAF1(composite structure) Deposited 2021-05-18 Different oligomeric state 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 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 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 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 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 structure-quality metrics 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion 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 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 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 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 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 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 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 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 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 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 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 × 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
9FYX Influenza A/H7N9 polymerase pre-cleavage cap-snatching complex Deposited 2024-07-04 Different oligomeric state 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 × 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
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different oligomeric state 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 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 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 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 experimental conditions Different structure-quality metrics 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 experimental conditions Different structure-quality metrics 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 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 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 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 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 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 13
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 A0A8W4F9W9

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain J； UniProt 1–67 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 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 × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 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 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 7.4
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 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 7.4
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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
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 3.23 Å
9BZ0 Structure of an STK19-containing TC-NER complex Deposited 2024-05-24 Different oligomeric state Different ligand/ion 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 × 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-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 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state 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 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 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 × 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 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 3.60 Å
9EH2 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-FACT nucleosome upstream Deposited 2024-11-21 Different oligomeric state 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 3.10 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric
Chain J 1–67（67 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

11 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A8W4F9W9_PIG
Isoform —
PDB entities 14
Chains and sequence ranges Author chain J； PDBConstruct 1–67； UniProt 1–67

RNA polymerase II subunit J

OrganismNot specified

UniProt A0A8D0TE17

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain K； UniProt 1–117 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 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 × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8UIS Structure of transcription complex Pol II-DSIF-NELF-TFIIS Deposited 2023-10-10 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
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 3.23 Å
9BZ0 Structure of an STK19-containing TC-NER complex Deposited 2024-05-24 Different oligomeric state Different ligand/ion 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 × 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-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 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Different oligomeric state 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 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 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 × 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 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 3.60 Å
9EH2 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-FACT nucleosome upstream Deposited 2024-11-21 Different oligomeric state 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 3.10 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric
Chain K 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

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

View Construct and Data Evidence
UniProt name A0A8D0TE17_PIG
Isoform —
PDB entities 15
Chains and sequence ranges Author chain K； PDBConstruct 1–117； UniProt 1–117

RNA polymerase II 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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain L； UniProt 1–58 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD 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 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 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 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 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 × 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 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 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 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 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
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different oligomeric state Different ligand/ion 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 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 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 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 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 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 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 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 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
9FYX Influenza A/H7N9 polymerase pre-cleavage cap-snatching complex Deposited 2024-07-04 Different oligomeric state 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 × 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
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different oligomeric state 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 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 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 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 experimental conditions Different structure-quality metrics 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 experimental conditions Different structure-quality metrics 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 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 16
Chains and sequence ranges Author chain L； PDBConstruct 1–58； UniProt 1–58

Negative elongation factor A

Homo sapiens

UniProt Q9H3P2

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain U； UniProt 1–188 Chain U； UniProt 253–528 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） 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

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 8UHD Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5L3X Crystal structure of negative elongation factor subcomplex NELF-AC Deposited 2016-05-24 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 A 6–182（177 aa）
Not recorded CL CHLORIDE ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291.15 K；14-14.5% (w/v) PEG 3350 200mM sodium malonate pH 6.8-7.0
Resolution 2.75 Å R-free 0.256
6GML Structure of paused transcription complex Pol II-DSIF-NELF Deposited 2018-05-27 Different construct Different mutation/modification Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain U 1–528（528 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
7PKS Structural basis of Integrator-mediated transcription regulation Deposited 2021-08-26 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 31-meric
Chain U 1–528（528 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 construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric
Chain e 1–528（528 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
8RBX Structure of Integrator-PP2A bound to a paused RNA polymerase II-DSIF-NELF-nucleosome complex Deposited 2023-12-05 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 43 PDB declaration: 46-meric
Chain u 1–528（528 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric
Chain U 1–188（188 aa）
Chain U 253–528（276 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
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain U 1–528（528 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 structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric
Chain U 1–188（188 aa）
Chain U 253–528（276 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 mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric
Chain U 1–528（528 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 mutation/modification 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 U 1–528（528 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
9J0N Paused elongation complex of mammalian RNA polymerase II with nucleosome (PEC2-nuc) Deposited 2024-08-02 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 27 PDB declaration: 30-meric
Chain U 1–528（528 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 mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain U 1–528（528 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 mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Other combination Heteromer；Protein × 26 PDB declaration: 29-meric
Chain U 1–528（528 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
9VD9 Cryo-EM structure of the human DSS1-INTAC-PEC complex Deposited 2025-06-07 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 35 PDB declaration: 38-meric
Chain e 1–528（528 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

14 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NELFA_HUMAN
Isoform —
PDB entities 20
Chains and sequence ranges Author chain U； PDBConstruct 1–188； UniProt 1–188 Author chain U； PDBConstruct 252–527； UniProt 253–528

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 1 PDB declaration: 21-meric（21） Consistent with all polymer counts Chain Y； UniProt 1–117 Not recorded Negative elongation factor E × 1 （P18615） Transcription elongation factor SPT5 × 1 （O00267） Negative elongation factor C/D × 1 （Q8IXH7） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit J × 1 （A0A8D0TE17） RNA polymerase II subunit K × 1 （A0A4X1TRS6） Non-template DNA × 1 RNA × 1 Template DNA × 1 Negative elongation factor A × 1 （Q9H3P2） 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

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 8UHD 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 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 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 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 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 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 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 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 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 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 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
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 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 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 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 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 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 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
9FYX Influenza A/H7N9 polymerase pre-cleavage cap-snatching complex Deposited 2024-07-04 Different oligomeric state 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 × 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
9G0A Influenza A/H7N9 polymerase post-cleavage cap-snatching complex Deposited 2024-07-07 Different oligomeric state 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 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 experimental conditions Different structure-quality metrics 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 experimental conditions Different structure-quality metrics 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 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 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 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 21
Chains and sequence ranges Author chain Y； PDBConstruct 1–117； UniProt 1–117

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 8uhd

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8uhd
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8uhd
Deposition date deposition_date2023-10-08
Structure title titleStructure of paused transcription complex Pol II-DSIF-NELF - post-translocated
Keywords keywordsNucleic acids, transcription, RNA polymerase II, NELF, DSIF, pausing, TRANSCRIPTION-DNA-RNA complex; TRANSCRIPTION/DNA/RNA
Experimental Method methodELECTRON MICROSCOPY
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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier59.56 Å
Radius of gyration Rg (electron density) rg_electron59.42 Å
Forward intensity I(0) i06728650000.00
Molecular weight molecular_weight679230.0 kDa
Excluded volume excluded_volume844920 ų
Envelope volume envelope_volume1291400 ų
Hydration-shell volume shell_volume170410 ų
Envelope diameter envelope_diameter216.0 Å
Shell Rg shell_rg68.47 Å
Envelope Rg envelope_rg58.62 Å
Shape Rg shape_rg59.44 Å
Total Rg total_rg59.52 Å
Total atoms total_atoms94662
Residues n_residues5830
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 dmax193.6 Å
Rg (real space) rg_real59.27 Å
Rg uncertainty (real space) rg_real_error1.54 Å
I(0) (real space) i0_real6.7290e+09
I(0) uncertainty (real space) i0_real_error1.3300e+08
Rg (reciprocal space) rg_reciprocal59.79 Å
I(0) (reciprocal space) i0_reciprocal6734000000.0000
Solution quality estimate total_estimate0.8650
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary74.5 Å
Skewness Skewness skewness0.212
Kurtosis Kurtosis kurtosis-0.341
Angular range angular_range— – 0.1300 Å−1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha967900000.0000
Real-space data points n_real_points27
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.848; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.937; Smooth: 0.759
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (23)

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8. Citations (1)

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9. Files and Curves (10)