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8h7g

Cryo-EM structure of the human SAGA complex

Method: ELECTRON MICROSCOPY Dmax: 204.2 Å Quality: GOOD
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Transformation/transcription domain-associated protein

OrganismNot specified

UniProt Q9Y4A5

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain C； UniProt 1–3859 Not recorded Splicing factor 3B subunit 3 × 1 （Q15393） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcription initiation protein SPT3 homolog × 1 （O75486） Transcriptional adapter 1 × 1 （Q96BN2） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） STAGA complex 65 subunit gamma × 1 （O94864） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
8QRI TRRAP and EP400 in the human Tip60 complex Deposited 2023-10-09 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–3859（3859 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8XVG Structure of human NuA4/TIP60 complex Deposited 2024-01-15 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 14 PDB declaration: tetradecameric
Chain L 1–3830（3830 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 9.40 Å
8XVV The TRRAP module of human NuA4/TIP60 complex Deposited 2024-01-15 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain L 1–3830（3830 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9C47 TRRAP module of the human TIP60 complex Deposited 2024-06-03 Different oligomeric state Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain C 1–3859（3859 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9CAD Cryo-EM structure of the TRRAP lobe of the native human TIP60 complex (composite structure) Deposited 2024-06-17 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 1–3830（3830 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
9CAF Cryo-EM structure of the reconstituted TRRAP lobe of the human TIP60 complex (composite structure) Deposited 2024-06-17 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 1–3830（3830 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.35 Å
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain C 1–3859（3859 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å

7 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TRRAP_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain C； PDBConstruct 1–3859； UniProt 1–3859

Splicing factor 3B subunit 3

OrganismNot specified

UniProt Q15393

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain A； UniProt 1–1217 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcription initiation protein SPT3 homolog × 1 （O75486） Transcriptional adapter 1 × 1 （Q96BN2） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） STAGA complex 65 subunit gamma × 1 （O94864） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5IFE Crystal structure of the human SF3b core complex Deposited 2016-02-25 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain A 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 K POTASSIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；0.05 M HEPES-NaOH pH=6.91-7.05, 40% Pentaerythritol propoxylate (5/4 PO/OH), 0.2M KCl
Resolution 3.10 Å R-free 0.260
5O9Z Cryo-EM structure of a pre-catalytic human spliceosome primed for activation (B complex) Deposited 2017-06-20 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 57-meric
Chain w 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
5Z56 cryo-EM structure of a human activated spliceosome (mature Bact) at 5.1 angstrom. Deposited 2018-01-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 55 PDB declaration: 59-meric
Chain 3 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 13 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH, 150 mM NaCl, 1.5 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.10 Å
5Z57 Cryo-EM structure of the human activated spliceosome (late Bact) at 6.5 angstrom Deposited 2018-01-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 57-meric
Chain 3 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ALA ALANINE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH, pH 7.9, 150 mM NaCl, 1.5 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.50 Å
5Z58 Cryo-EM structure of a human activated spliceosome (early Bact) at 4.9 angstrom. Deposited 2018-01-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 42 PDB declaration: 46-meric
Chain 3 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH, pH 7.9, 150 mM NaCl, 1.5 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.90 Å
5ZYA SF3b spliceosomal complex bound to E7107 Deposited 2018-05-23 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain A 1–1217（1217 aa）
Not recorded 9B0 [(2~{S},3~{S},4~{E},6~{S},7~{R},10~{R})-3,7-dimethyl-2-[(2~{E},4~{E},6~{R})-6-methyl-6-oxidanyl-7-[(2~{R},3~{R})-3-[(2~{R},3~{S})-3-oxidanylpentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-7,10-bis(oxidanyl)-12-oxidanylidene-1-oxacyclododec-4-en-6-yl] 4-cycloheptylpiperazine-1-carboxylate × 1 ZN ZINC ION × 3 K POTASSIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.95 Å
6AH0 The Cryo-EM Structure of the Precusor of Human Pre-catalytic Spliceosome (pre-B complex) Deposited 2018-08-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 57-meric
Chain 3 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.70 Å
6AHD The Cryo-EM Structure of Human Pre-catalytic Spliceosome (B complex) at 3.8 angstrom resolution Deposited 2018-08-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 58 PDB declaration: 63-meric
Chain 3 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
6EN4 SF3b core in complex with a splicing modulator Deposited 2017-10-04 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 × 4 PDB declaration: tetrameric
Chain A 1–1217（1217 aa）
Mutation：internal deletion 1068-1085 ZN ZINC ION × 3 BGZ [(2~{S},3~{S},4~{E},6~{S},7~{R},10~{R})-3,7-dimethyl-2-[(2~{E},4~{E},6~{S})-6-methyl-7-[(2~{R},3~{R})-3-[(2~{R},3~{S})-3-oxidanylpentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-7,10-bis(oxidanyl)-12-oxidanylidene-1-oxacyclododec-4-en-6-yl] ethanoate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；50 mM HEPES-NaOH, pH 7-7.4, 200 mM KCl, and 38-39% (v/v) pentaerythritol propoxylate (5/4 PO/OH)
Resolution 3.08 Å R-free 0.266
6FF4 human Bact spliceosome core structure Deposited 2018-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 24 PDB declaration: 28-meric
Chain v 1–1217（1217 aa）
Not recorded MG MAGNESIUM ION × 4 IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；blot with blotting sensor
Resolution 3.40 Å
6FF7 human Bact spliceosome core structure Deposited 2018-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 57 PDB declaration: 61-meric
Chain v 1–1217（1217 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 5 IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
6QX9 Structure of a human fully-assembled precatalytic spliceosome (pre-B complex). Deposited 2019-03-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 65 PDB declaration: 71-meric
Chain B3 1–1217（1217 aa）
Not recorded ZN ZINC ION × 6 MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.28 Å
6Y50 5'domain of human 17S U2 snRNP Deposited 2020-02-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 8 PDB declaration: nonameric
Chain v 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
6Y5Q human 17S U2 snRNP Deposited 2020-02-25 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 21 PDB declaration: 22-meric
Chain v 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.10 Å
7ABG Human pre-Bact-1 spliceosome Deposited 2020-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 58-meric
Chain E 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 GTG 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-GUANOSINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.80 Å
7ABH Human pre-Bact-2 spliceosome (SF3b/U2 snRNP portion) Deposited 2020-09-07 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 14 PDB declaration: hexadecameric
Chain E 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7ABI Human pre-Bact-2 spliceosome Deposited 2020-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 56-meric
Chain E 1–1217（1217 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.00 Å
7B0I Structure of a minimal SF3B core in complex with spliceostatin A (form II) Deposited 2020-11-19 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 × 4 PDB declaration: tetrameric
Chain A 1–442（442 aa）
Chain A 768–1067（300 aa）
Chain A 1086–1217（132 aa）
Not recorded SJT spliceostatin A (form II) × 1 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.17；277.15 K；0.1 M HEPES pH=7.17, 0.2 M MgCl2, 25% (v/v) PEG-400
Resolution 3.00 Å R-free 0.247
7B91 Structure of a minimal SF3B core in complex with pladienolide D (form I) Deposited 2020-12-13 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 × 4 PDB declaration: tetrameric
Chain A 1–442（442 aa）
Chain A 768–1216（449 aa）
Not recorded T2Z [(2~{S},3~{S},4~{E},6~{S},7~{R},10~{R})-3,7-dimethyl-2-[(2~{E},4~{E},6~{R})-6-methyl-6-oxidanyl-7-[(2~{R},3~{R})-3-[(2~{R},3~{S})-3-oxidanylpentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-7,10-bis(oxidanyl)-12-oxidanylidene-1-oxacyclododec-4-en-6-yl] ethanoate × 1 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277.15 K；0.1M Bis-Tris Propane pH 7.63, PEG-3350 11%, Glycerol 15%, KSCN 0.2M
Resolution 3.00 Å R-free 0.255
7B92 Structure of a minimal SF3B core in complex with sudemycin D6 (form II) Deposited 2020-12-14 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 × 4 PDB declaration: tetrameric
Chain A 1–442（442 aa）
Chain A 768–1216（449 aa）
Not recorded ZN ZINC ION × 3 T2W [(~{Z},2~{S})-5-[[4-[(2~{E},4~{E})-3-methyl-5-[(2~{S},4~{R})-4,6,6-trimethyl-4-oxidanyl-oxan-2-yl]penta-2,4-dienyl]cyclohexyl]amino]-5-oxidanylidene-pent-3-en-2-yl] ~{N}-methylcarbamate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277.15 K；0.1 M HEPES pH=7.42, 0.2 M Magnesium chloride, 27.75% (v/v) PEG-400
Resolution 3.00 Å R-free 0.258
7B9C Structure of a minimal SF3B core in complex with spliceostatin A (form I) Deposited 2020-12-14 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric
Chain A 768–1216（449 aa）
Not recorded ZN ZINC ION × 3 SCN THIOCYANATE ION × 1 SJT spliceostatin A (form II) × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277.15 K；0.1 M Bis-Tris Propane pH 7.1-7.45, 0.2 M Potassium thiocyanate (KSCN), 11-12% (w/v) PEG-3350, 10-15% (v/v) Glycerol
Resolution 2.40 Å R-free 0.248
7DVQ Cryo-EM Structure of the Activated Human Minor Spliceosome (minor Bact Complex) Deposited 2021-01-14 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 45 PDB declaration: 49-meric
Chain 3 1–1217（1217 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 5 K POTASSIUM ION × 2 G5J 5'-O-[(S)-hydroxy{[(R)-hydroxy{[(S)-hydroxy(methoxy)phosphoryl]oxy}phosphoryl]oxy}phosphoryl]guanosine × 1 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.89 Å
7EVN The cryo-EM structure of the DDX42-SF3b complex Deposited 2021-05-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain A 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.60 Å
7EVO The cryo-EM structure of the human 17S U2 snRNP Deposited 2021-05-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 20 PDB declaration: 21-meric
Chain 3 1–1217（1217 aa）
Not recorded 9B0 [(2~{S},3~{S},4~{E},6~{S},7~{R},10~{R})-3,7-dimethyl-2-[(2~{E},4~{E},6~{R})-6-methyl-6-oxidanyl-7-[(2~{R},3~{R})-3-[(2~{R},3~{S})-3-oxidanylpentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-7,10-bis(oxidanyl)-12-oxidanylidene-1-oxacyclododec-4-en-6-yl] 4-cycloheptylpiperazine-1-carboxylate × 1 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
7KTS Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module) Deposited 2020-11-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain S 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；Buffers were freshly prepared and 0.22 um filtered.
Resolution 19.09 Å
7OMF Structure of a minimal SF3B core in complex with sudemycin D6 (form I) Deposited 2021-05-21 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 × 4 PDB declaration: tetrameric
Chain A 1–442（442 aa）
Chain A 768–1217（450 aa）
Not recorded ZN ZINC ION × 3 T2W [(~{Z},2~{S})-5-[[4-[(2~{E},4~{E})-3-methyl-5-[(2~{S},4~{R})-4,6,6-trimethyl-4-oxidanyl-oxan-2-yl]penta-2,4-dienyl]cyclohexyl]amino]-5-oxidanylidene-pent-3-en-2-yl] ~{N}-methylcarbamate × 1 SCN THIOCYANATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277.15 K；0.1M Bis-tris propane pH 7.4, 0.2M KSCN, 12% (w/v) PEG-3350, 10%(v/v) Glycerol
Resolution 3.00 Å R-free 0.266
7ONB Structure of the U2 5' module of the A3'-SSA complex Deposited 2021-05-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 9 PDB declaration: undecameric
Chain A 1–1217（1217 aa）
Not recorded SJT spliceostatin A (form II) × 1 ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；The A3'-SSA complex was frozen in vitreous ice by applying ~2.2 uL crosslinked sample to both sides of a glow-discharged UltrAufoil R1.2/1.3 gold grid. The excess sample was blotted away for 2s using a blot force of 7 and the grid was snap frozen in liquid ethane cooled by liquid nitrogen.
Resolution 3.10 Å
7OPI Structure of a minimal SF3B core in complex with the inactive modulator spliceostatin E (form I) Deposited 2021-05-31 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric
Chain A 768–1217（450 aa）
Not recorded 07I Spliceostatin E (form I) × 1 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.15；277.15 K；0.1 M Bis-tris propane pH=7.15, 0.2 M KSCN, PEG-3350 11% (w/v), Glycerol (v/v) 10%
Resolution 3.10 Å R-free 0.269
7Q3L Human 17S U2 snRNP 5' domain Deposited 2021-10-28 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 8 PDB declaration: nonameric
Chain C 1–1217（1217 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；Sample after desalting may have also contained up to 5% glycerol.
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.21 Å
7Q4O Substrate-bound A-like U2 snRNP Deposited 2021-11-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 8 PDB declaration: decameric
Chain C 1–1217（1217 aa）
Not recorded ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；Sample after desalting may have also contained up to 5% glycerol.
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.10 Å
7Q4P U2 snRNP after ATP-dependent remodelling Deposited 2021-11-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 7 PDB declaration: octameric
Chain C 1–1217（1217 aa）
Not recorded ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；Sample after desalting may have also contained up to 5% glycerol.
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.15 Å
7QTT Structural organization of a late activated human spliceosome (Baqr, core region) Deposited 2022-01-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 33 PDB declaration: 37-meric
Chain A 1–1217（1217 aa）
Not recorded ZN ZINC ION × 12 IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；All solutions were sterile filtered using a 0.22um vacuum filtration unit.
cryo-EM vitrification conditions Cryogen ETHANE；Volumes of 4 ul of the concentrated sample were applied to one side of glow-discharged UltrAuFoil 200 2/2 grids (Quantifoil) in a Vitrobot Mark IV (FEI) operating at 4 degrees Celsius and 100% humidity. The grids were blotted for 2s with blotting force 5 and immediately frozen by plunging into liquid ethane.
Resolution 3.10 Å
7VPX The cryo-EM structure of the human pre-A complex Deposited 2021-10-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 31 PDB declaration: 35-meric
Chain 3 1–1217（1217 aa）
Not recorded ZN ZINC ION × 6 SJT spliceostatin A (form II) × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8CH6 Structure of a late-stage activated spliceosome (BAqr) arrested with a dominant-negative Aquarius mutant (state B complex). Deposited 2023-02-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 55 PDB declaration: 59-meric
Chain A 1–1217（1217 aa）
Not recorded ZN ZINC ION × 12 IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；All solutions were sterile-filtered using a 0.22um vacuum filtration unit.
cryo-EM vitrification conditions Cryogen ETHANE；Volumes of 4 ul of the concentrated sample were applied to one side of glow-discharged UltrAuFoil 200 2/2 grids (Quantifoil) in a Vitrobot Mark IV (FEI), operated at 4 degrees Celsius and 100% humidity. The grids were blotted for 2s with blotting force 5 and immediately frozen by plunging into liquid ethane.
Resolution 5.90 Å
8H6E Cryo-EM structure of human exon-defined spliceosome in the late pre-B state. Deposited 2022-10-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 61-meric
Chain 2I 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8H6J Cryo-EM structure of human exon-defined spliceosome in the mature pre-B state. Deposited 2022-10-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 61-meric
Chain 2I 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.25 Å
8H6K Cryo-EM structure of human exon-defined spliceosome in the mature B state. Deposited 2022-10-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 58 PDB declaration: 63-meric
Chain 2I 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8H6L Cryo-EM structure of human exon-defined spliceosome in the early B state. Deposited 2022-10-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 59-meric
Chain 2I 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.60 Å
8HK1 The cryo-EM structure of human pre-17S U2 snRNP Deposited 2022-11-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 20 PDB declaration: 21-meric
Chain 3 1–1217（1217 aa）
Not recorded 9B0 [(2~{S},3~{S},4~{E},6~{S},7~{R},10~{R})-3,7-dimethyl-2-[(2~{E},4~{E},6~{R})-6-methyl-6-oxidanyl-7-[(2~{R},3~{R})-3-[(2~{R},3~{S})-3-oxidanylpentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-7,10-bis(oxidanyl)-12-oxidanylidene-1-oxacyclododec-4-en-6-yl] 4-cycloheptylpiperazine-1-carboxylate × 1 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8I0P The cryo-EM structure of human pre-Bact complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 47 PDB declaration: 51-meric
Chain 3 1–1217（1217 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8I0R The cryo-EM structure of human Bact-I complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 55-meric
Chain 3 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8I0S The cryo-EM structure of human Bact-II complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 46 PDB declaration: 50-meric
Chain 3 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.20 Å
8I0T The cryo-EM structure of human Bact-III complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 56-meric
Chain 3 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8I0U The cryo-EM structure of human Bact-IV complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 53-meric
Chain 3 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8I0V The cryo-EM structure of human post-Bact complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 47 PDB declaration: 51-meric
Chain 3 1–1217（1217 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8QO9 Cryo-EM structure of a human spliceosomal B complex protomer Deposited 2023-09-28 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 66 PDB declaration: 71-meric
Chain B3 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.29 Å
8QXD Cryo-EM structure of the cross-exon pre-B complex Deposited 2023-10-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 61-meric
Chain B3 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 9.60 Å
8QZS Cryo-EM structure of the cross-exon B-like complex Deposited 2023-10-29 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 61 PDB declaration: 68-meric
Chain B3 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8R08 Cryo-EM structure of the cross-exon pre-B+AMPPNP complex Deposited 2023-10-31 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 64 PDB declaration: 71-meric
Chain B3 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.10 Å
8R09 Cryo-EM structure of the cross-exon pre-B+5'ss+ATPgammaS complex Deposited 2023-10-31 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 60-meric
Chain B3 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
8R0A Cryo-EM structure of the cross-exon pre-B+5'ss complex Deposited 2023-10-31 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 62-meric
Chain B3 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.80 Å
8R0B Cryo-EM structure of the cross-exon pre-B+ATP complex Deposited 2023-10-31 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 60-meric
Chain B3 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.40 Å
8RM5 Cryo-EM structure of the cross-exon pre-B+5'ssLNG+ATPyS complex Deposited 2024-01-05 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 60-meric
Chain B3 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.90 Å
8Y7E Cryo-EM Structure of the human minor pre-B complex (pre-precatalytic spliceosome) U12 snRNP part Deposited 2024-02-04 Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 15 PDB declaration: heptadecameric
Chain 3 1–1217（1217 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen NITROGEN
Resolution 4.66 Å
9K1O Structure of SF3B core in complex with the 22-nt histone mRNA(SF3B-22-nt histone mRNA) Deposited 2024-10-16 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain A 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9K1Q Structure of SF3B core in complex with the 101-nt histone mRNA(SF3B-101-nt histone mRNA) Deposited 2024-10-16 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain A 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
9K1R Structure of SF3B core in complex with the intron-U2 snRNA (SF3B-intron-U2 snRNA) Deposited 2024-10-16 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain A 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
9K1W Structure of the SF3B core, harboring the K700E mutation in SF3B1, in complex with intron-U2 snRNA Deposited 2024-10-16 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain A 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9K1Y Structure of the SF3B core, harboring the R625H mutation in SF3B1, in complex with intron-U2 snRNA Deposited 2024-10-16 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain A 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9R8V Cryo-EM structure of the human pre-Bact-OTS complex (whole map) Deposited 2025-05-17 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 59 PDB declaration: 63-meric
Chain B3 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.50 Å
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain A 1–1217（1217 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å
9ZE0 Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (Proximal DHX15 state) Deposited 2025-11-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 13 PDB declaration: pentadecameric
Chain B3 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.43 Å
9ZE2 Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (core) Deposited 2025-11-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: dodecameric
Chain B3 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.26 Å
9ZE3 Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (Distal DHX15 state) Deposited 2025-11-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 13 PDB declaration: pentadecameric
Chain B3 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.93 Å
9ZEC Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (SF3A state 1) Deposited 2025-11-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 11 PDB declaration: tridecameric
Chain B3 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.61 Å
9ZED Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (SF3A state 2) Deposited 2025-11-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 11 PDB declaration: tridecameric
Chain B3 1–1217（1217 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.94 Å

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

View Construct and Data Evidence
UniProt name SF3B3_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain A； PDBConstruct 1–1217； UniProt 1–1217

Splicing factor 3B subunit 5

OrganismNot specified

UniProt Q9BWJ5

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain B； UniProt 1–86 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 3 × 1 （Q15393） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcription initiation protein SPT3 homolog × 1 （O75486） Transcriptional adapter 1 × 1 （Q96BN2） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） STAGA complex 65 subunit gamma × 1 （O94864） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
5IFE Crystal structure of the human SF3b core complex Deposited 2016-02-25 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 3 K POTASSIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；0.05 M HEPES-NaOH pH=6.91-7.05, 40% Pentaerythritol propoxylate (5/4 PO/OH), 0.2M KCl
Resolution 3.10 Å R-free 0.260
5O9Z Cryo-EM structure of a pre-catalytic human spliceosome primed for activation (B complex) Deposited 2017-06-20 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 57-meric
Chain x 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
5Z56 cryo-EM structure of a human activated spliceosome (mature Bact) at 5.1 angstrom. Deposited 2018-01-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 55 PDB declaration: 59-meric
Chain 7 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 13 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH, 150 mM NaCl, 1.5 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.10 Å
5Z57 Cryo-EM structure of the human activated spliceosome (late Bact) at 6.5 angstrom Deposited 2018-01-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 57-meric
Chain 7 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ALA ALANINE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH, pH 7.9, 150 mM NaCl, 1.5 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.50 Å
5Z58 Cryo-EM structure of a human activated spliceosome (early Bact) at 4.9 angstrom. Deposited 2018-01-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 42 PDB declaration: 46-meric
Chain 7 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH, pH 7.9, 150 mM NaCl, 1.5 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.90 Å
5ZYA SF3b spliceosomal complex bound to E7107 Deposited 2018-05-23 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain B 1–86（86 aa）
Not recorded 9B0 [(2~{S},3~{S},4~{E},6~{S},7~{R},10~{R})-3,7-dimethyl-2-[(2~{E},4~{E},6~{R})-6-methyl-6-oxidanyl-7-[(2~{R},3~{R})-3-[(2~{R},3~{S})-3-oxidanylpentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-7,10-bis(oxidanyl)-12-oxidanylidene-1-oxacyclododec-4-en-6-yl] 4-cycloheptylpiperazine-1-carboxylate × 1 ZN ZINC ION × 3 K POTASSIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.95 Å
6AH0 The Cryo-EM Structure of the Precusor of Human Pre-catalytic Spliceosome (pre-B complex) Deposited 2018-08-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 57-meric
Chain 7 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.70 Å
6AHD The Cryo-EM Structure of Human Pre-catalytic Spliceosome (B complex) at 3.8 angstrom resolution Deposited 2018-08-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 58 PDB declaration: 63-meric
Chain 7 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
6EN4 SF3b core in complex with a splicing modulator Deposited 2017-10-04 Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain B 2–86（85 aa）
Not recorded ZN ZINC ION × 3 BGZ [(2~{S},3~{S},4~{E},6~{S},7~{R},10~{R})-3,7-dimethyl-2-[(2~{E},4~{E},6~{S})-6-methyl-7-[(2~{R},3~{R})-3-[(2~{R},3~{S})-3-oxidanylpentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-7,10-bis(oxidanyl)-12-oxidanylidene-1-oxacyclododec-4-en-6-yl] ethanoate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；50 mM HEPES-NaOH, pH 7-7.4, 200 mM KCl, and 38-39% (v/v) pentaerythritol propoxylate (5/4 PO/OH)
Resolution 3.08 Å R-free 0.266
6FF4 human Bact spliceosome core structure Deposited 2018-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 24 PDB declaration: 28-meric
Chain x 1–86（86 aa）
Not recorded MG MAGNESIUM ION × 4 IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；blot with blotting sensor
Resolution 3.40 Å
6FF7 human Bact spliceosome core structure Deposited 2018-01-03 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 57 PDB declaration: 61-meric
Chain x 1–86（86 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 5 IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
6QX9 Structure of a human fully-assembled precatalytic spliceosome (pre-B complex). Deposited 2019-03-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 65 PDB declaration: 71-meric
Chain B5 1–86（86 aa）
Not recorded ZN ZINC ION × 6 MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.28 Å
6Y50 5'domain of human 17S U2 snRNP Deposited 2020-02-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 8 PDB declaration: nonameric
Chain x 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
6Y5Q human 17S U2 snRNP Deposited 2020-02-25 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 21 PDB declaration: 22-meric
Chain x 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.10 Å
7ABG Human pre-Bact-1 spliceosome Deposited 2020-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 58-meric
Chain x 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 GTG 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-GUANOSINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.80 Å
7ABH Human pre-Bact-2 spliceosome (SF3b/U2 snRNP portion) Deposited 2020-09-07 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 14 PDB declaration: hexadecameric
Chain x 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7ABI Human pre-Bact-2 spliceosome Deposited 2020-09-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 56-meric
Chain x 1–86（86 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.00 Å
7B0I Structure of a minimal SF3B core in complex with spliceostatin A (form II) Deposited 2020-11-19 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain B 1–86（86 aa）
Not recorded SJT spliceostatin A (form II) × 1 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.17；277.15 K；0.1 M HEPES pH=7.17, 0.2 M MgCl2, 25% (v/v) PEG-400
Resolution 3.00 Å R-free 0.247
7B91 Structure of a minimal SF3B core in complex with pladienolide D (form I) Deposited 2020-12-13 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain B 1–86（86 aa）
Not recorded T2Z [(2~{S},3~{S},4~{E},6~{S},7~{R},10~{R})-3,7-dimethyl-2-[(2~{E},4~{E},6~{R})-6-methyl-6-oxidanyl-7-[(2~{R},3~{R})-3-[(2~{R},3~{S})-3-oxidanylpentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-7,10-bis(oxidanyl)-12-oxidanylidene-1-oxacyclododec-4-en-6-yl] ethanoate × 1 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277.15 K；0.1M Bis-Tris Propane pH 7.63, PEG-3350 11%, Glycerol 15%, KSCN 0.2M
Resolution 3.00 Å R-free 0.255
7B92 Structure of a minimal SF3B core in complex with sudemycin D6 (form II) Deposited 2020-12-14 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 3 T2W [(~{Z},2~{S})-5-[[4-[(2~{E},4~{E})-3-methyl-5-[(2~{S},4~{R})-4,6,6-trimethyl-4-oxidanyl-oxan-2-yl]penta-2,4-dienyl]cyclohexyl]amino]-5-oxidanylidene-pent-3-en-2-yl] ~{N}-methylcarbamate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277.15 K；0.1 M HEPES pH=7.42, 0.2 M Magnesium chloride, 27.75% (v/v) PEG-400
Resolution 3.00 Å R-free 0.258
7B9C Structure of a minimal SF3B core in complex with spliceostatin A (form I) Deposited 2020-12-14 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 3 SCN THIOCYANATE ION × 1 SJT spliceostatin A (form II) × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277.15 K；0.1 M Bis-Tris Propane pH 7.1-7.45, 0.2 M Potassium thiocyanate (KSCN), 11-12% (w/v) PEG-3350, 10-15% (v/v) Glycerol
Resolution 2.40 Å R-free 0.248
7DVQ Cryo-EM Structure of the Activated Human Minor Spliceosome (minor Bact Complex) Deposited 2021-01-14 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 45 PDB declaration: 49-meric
Chain 7 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 5 K POTASSIUM ION × 2 G5J 5'-O-[(S)-hydroxy{[(R)-hydroxy{[(S)-hydroxy(methoxy)phosphoryl]oxy}phosphoryl]oxy}phosphoryl]guanosine × 1 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.89 Å
7EVN The cryo-EM structure of the DDX42-SF3b complex Deposited 2021-05-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.60 Å
7EVO The cryo-EM structure of the human 17S U2 snRNP Deposited 2021-05-21 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 20 PDB declaration: 21-meric
Chain 5 1–86（86 aa）
Not recorded 9B0 [(2~{S},3~{S},4~{E},6~{S},7~{R},10~{R})-3,7-dimethyl-2-[(2~{E},4~{E},6~{R})-6-methyl-6-oxidanyl-7-[(2~{R},3~{R})-3-[(2~{R},3~{S})-3-oxidanylpentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-7,10-bis(oxidanyl)-12-oxidanylidene-1-oxacyclododec-4-en-6-yl] 4-cycloheptylpiperazine-1-carboxylate × 1 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
7KTS Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module) Deposited 2020-11-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain T 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；Buffers were freshly prepared and 0.22 um filtered.
Resolution 19.09 Å
7OMF Structure of a minimal SF3B core in complex with sudemycin D6 (form I) Deposited 2021-05-21 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 3 T2W [(~{Z},2~{S})-5-[[4-[(2~{E},4~{E})-3-methyl-5-[(2~{S},4~{R})-4,6,6-trimethyl-4-oxidanyl-oxan-2-yl]penta-2,4-dienyl]cyclohexyl]amino]-5-oxidanylidene-pent-3-en-2-yl] ~{N}-methylcarbamate × 1 SCN THIOCYANATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277.15 K；0.1M Bis-tris propane pH 7.4, 0.2M KSCN, 12% (w/v) PEG-3350, 10%(v/v) Glycerol
Resolution 3.00 Å R-free 0.266
7ONB Structure of the U2 5' module of the A3'-SSA complex Deposited 2021-05-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 9 PDB declaration: undecameric
Chain B 1–86（86 aa）
Not recorded SJT spliceostatin A (form II) × 1 ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；The A3'-SSA complex was frozen in vitreous ice by applying ~2.2 uL crosslinked sample to both sides of a glow-discharged UltrAufoil R1.2/1.3 gold grid. The excess sample was blotted away for 2s using a blot force of 7 and the grid was snap frozen in liquid ethane cooled by liquid nitrogen.
Resolution 3.10 Å
7OPI Structure of a minimal SF3B core in complex with the inactive modulator spliceostatin E (form I) Deposited 2021-05-31 Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric
Chain B 1–86（86 aa）
Not recorded 07I Spliceostatin E (form I) × 1 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.15；277.15 K；0.1 M Bis-tris propane pH=7.15, 0.2 M KSCN, PEG-3350 11% (w/v), Glycerol (v/v) 10%
Resolution 3.10 Å R-free 0.269
7Q3L Human 17S U2 snRNP 5' domain Deposited 2021-10-28 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 8 PDB declaration: nonameric
Chain E 1–86（86 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；Sample after desalting may have also contained up to 5% glycerol.
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.21 Å
7Q4O Substrate-bound A-like U2 snRNP Deposited 2021-11-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 8 PDB declaration: decameric
Chain E 1–86（86 aa）
Not recorded ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；Sample after desalting may have also contained up to 5% glycerol.
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.10 Å
7Q4P U2 snRNP after ATP-dependent remodelling Deposited 2021-11-01 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 7 PDB declaration: octameric
Chain E 1–86（86 aa）
Not recorded ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；Sample after desalting may have also contained up to 5% glycerol.
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.15 Å
7QTT Structural organization of a late activated human spliceosome (Baqr, core region) Deposited 2022-01-15 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 33 PDB declaration: 37-meric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 12 IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；All solutions were sterile filtered using a 0.22um vacuum filtration unit.
cryo-EM vitrification conditions Cryogen ETHANE；Volumes of 4 ul of the concentrated sample were applied to one side of glow-discharged UltrAuFoil 200 2/2 grids (Quantifoil) in a Vitrobot Mark IV (FEI) operating at 4 degrees Celsius and 100% humidity. The grids were blotted for 2s with blotting force 5 and immediately frozen by plunging into liquid ethane.
Resolution 3.10 Å
7VPX The cryo-EM structure of the human pre-A complex Deposited 2021-10-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 31 PDB declaration: 35-meric
Chain 5 1–86（86 aa）
Not recorded ZN ZINC ION × 6 SJT spliceostatin A (form II) × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8CH6 Structure of a late-stage activated spliceosome (BAqr) arrested with a dominant-negative Aquarius mutant (state B complex). Deposited 2023-02-07 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 55 PDB declaration: 59-meric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 12 IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；All solutions were sterile-filtered using a 0.22um vacuum filtration unit.
cryo-EM vitrification conditions Cryogen ETHANE；Volumes of 4 ul of the concentrated sample were applied to one side of glow-discharged UltrAuFoil 200 2/2 grids (Quantifoil) in a Vitrobot Mark IV (FEI), operated at 4 degrees Celsius and 100% humidity. The grids were blotted for 2s with blotting force 5 and immediately frozen by plunging into liquid ethane.
Resolution 5.90 Å
8H6E Cryo-EM structure of human exon-defined spliceosome in the late pre-B state. Deposited 2022-10-17 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 61-meric
Chain 2M 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8H6J Cryo-EM structure of human exon-defined spliceosome in the mature pre-B state. Deposited 2022-10-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 61-meric
Chain 2M 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.25 Å
8H6K Cryo-EM structure of human exon-defined spliceosome in the mature B state. Deposited 2022-10-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 58 PDB declaration: 63-meric
Chain 2M 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8H6L Cryo-EM structure of human exon-defined spliceosome in the early B state. Deposited 2022-10-18 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 59-meric
Chain 2M 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.60 Å
8HK1 The cryo-EM structure of human pre-17S U2 snRNP Deposited 2022-11-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 20 PDB declaration: 21-meric
Chain 5 1–86（86 aa）
Not recorded 9B0 [(2~{S},3~{S},4~{E},6~{S},7~{R},10~{R})-3,7-dimethyl-2-[(2~{E},4~{E},6~{R})-6-methyl-6-oxidanyl-7-[(2~{R},3~{R})-3-[(2~{R},3~{S})-3-oxidanylpentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-7,10-bis(oxidanyl)-12-oxidanylidene-1-oxacyclododec-4-en-6-yl] 4-cycloheptylpiperazine-1-carboxylate × 1 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8I0P The cryo-EM structure of human pre-Bact complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 47 PDB declaration: 51-meric
Chain 5 1–86（86 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8I0R The cryo-EM structure of human Bact-I complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 55-meric
Chain 5 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8I0S The cryo-EM structure of human Bact-II complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 46 PDB declaration: 50-meric
Chain 5 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.20 Å
8I0T The cryo-EM structure of human Bact-III complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 56-meric
Chain 5 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8I0U The cryo-EM structure of human Bact-IV complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 53-meric
Chain 5 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8I0V The cryo-EM structure of human post-Bact complex Deposited 2023-01-11 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 47 PDB declaration: 51-meric
Chain 5 1–86（86 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 7 ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8QO9 Cryo-EM structure of a human spliceosomal B complex protomer Deposited 2023-09-28 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 66 PDB declaration: 71-meric
Chain B5 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.29 Å
8QXD Cryo-EM structure of the cross-exon pre-B complex Deposited 2023-10-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 61-meric
Chain B5 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 9.60 Å
8QZS Cryo-EM structure of the cross-exon B-like complex Deposited 2023-10-29 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 61 PDB declaration: 68-meric
Chain B5 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
8R08 Cryo-EM structure of the cross-exon pre-B+AMPPNP complex Deposited 2023-10-31 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 64 PDB declaration: 71-meric
Chain B5 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.10 Å
8R09 Cryo-EM structure of the cross-exon pre-B+5'ss+ATPgammaS complex Deposited 2023-10-31 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 60-meric
Chain B5 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
8R0A Cryo-EM structure of the cross-exon pre-B+5'ss complex Deposited 2023-10-31 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 62-meric
Chain B5 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.80 Å
8R0B Cryo-EM structure of the cross-exon pre-B+ATP complex Deposited 2023-10-31 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 60-meric
Chain B5 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.40 Å
8RM5 Cryo-EM structure of the cross-exon pre-B+5'ssLNG+ATPyS complex Deposited 2024-01-05 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 60-meric
Chain B5 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.90 Å
8Y7E Cryo-EM Structure of the human minor pre-B complex (pre-precatalytic spliceosome) U12 snRNP part Deposited 2024-02-04 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 15 PDB declaration: heptadecameric
Chain 7 1–86（86 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen NITROGEN
Resolution 4.66 Å
9K1O Structure of SF3B core in complex with the 22-nt histone mRNA(SF3B-22-nt histone mRNA) Deposited 2024-10-16 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9K1Q Structure of SF3B core in complex with the 101-nt histone mRNA(SF3B-101-nt histone mRNA) Deposited 2024-10-16 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
9K1R Structure of SF3B core in complex with the intron-U2 snRNA (SF3B-intron-U2 snRNA) Deposited 2024-10-16 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
9K1W Structure of the SF3B core, harboring the K700E mutation in SF3B1, in complex with intron-U2 snRNA Deposited 2024-10-16 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9K1Y Structure of the SF3B core, harboring the R625H mutation in SF3B1, in complex with intron-U2 snRNA Deposited 2024-10-16 Different oligomeric state Different ligand/ion Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric
Chain B 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9R8V Cryo-EM structure of the human pre-Bact-OTS complex (whole map) Deposited 2025-05-17 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 59 PDB declaration: 63-meric
Chain B5 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.50 Å
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain B 1–86（86 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å
9ZE0 Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (Proximal DHX15 state) Deposited 2025-11-26 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 13 PDB declaration: pentadecameric
Chain B5 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.43 Å
9ZE2 Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (core) Deposited 2025-11-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: dodecameric
Chain B5 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.26 Å
9ZE3 Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (Distal DHX15 state) Deposited 2025-11-27 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 13 PDB declaration: pentadecameric
Chain B5 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.93 Å
9ZEC Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (SF3A state 1) Deposited 2025-11-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 11 PDB declaration: tridecameric
Chain B5 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.61 Å
9ZED Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (SF3A state 2) Deposited 2025-11-29 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Heteromer；Protein × 11 PDB declaration: tridecameric
Chain B5 1–86（86 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.94 Å

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

View Construct and Data Evidence
UniProt name SF3B5_HUMAN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain B； PDBConstruct 1–86； UniProt 1–86

Transcription factor SPT20 homolog

OrganismNot specified

UniProt Q8NEM7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain D； UniProt 1–779 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 3 × 1 （Q15393） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription initiation protein SPT3 homolog × 1 （O75486） Transcriptional adapter 1 × 1 （Q96BN2） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） STAGA complex 65 subunit gamma × 1 （O94864） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
7KTR Cryo-EM structure of the human SAGA coactivator complex (TRRAP, core) Deposited 2020-11-24 Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric
Chain C 1–811（811 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8；Buffers were freshly prepared and 0.22 um filtered.
cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 sec
Resolution 2.93 Å
7KTS Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module) Deposited 2020-11-24 Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain C 1–811（811 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；Buffers were freshly prepared and 0.22 um filtered.
Resolution 19.09 Å
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain M 1–779（779 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SP20H_HUMAN
Isoform —
PDB entities 4
Chains and sequence ranges Author chain D； PDBConstruct 1–779； UniProt 1–779

Transcription initiation protein SPT3 homolog

OrganismNot specified

UniProt O75486

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain E； UniProt 1–317 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 3 × 1 （Q15393） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcriptional adapter 1 × 1 （Q96BN2） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） STAGA complex 65 subunit gamma × 1 （O94864） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
7KTR Cryo-EM structure of the human SAGA coactivator complex (TRRAP, core) Deposited 2020-11-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric
Chain I 1–156（156 aa）
Chain I 187–317（131 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8；Buffers were freshly prepared and 0.22 um filtered.
cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 sec
Resolution 2.93 Å
7KTS Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module) Deposited 2020-11-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain I 1–156（156 aa）
Chain I 187–317（131 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；Buffers were freshly prepared and 0.22 um filtered.
Resolution 19.09 Å
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain I 1–317（317 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SUPT3_HUMAN
Isoform —
PDB entities 5
Chains and sequence ranges Author chain E； PDBConstruct 1–317； UniProt 1–317

Transcriptional adapter 1

Homo sapiens

UniProt Q96BN2

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain G； UniProt 1–335 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 3 × 1 （Q15393） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcription initiation protein SPT3 homolog × 1 （O75486） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） STAGA complex 65 subunit gamma × 1 （O94864） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
7KTR Cryo-EM structure of the human SAGA coactivator complex (TRRAP, core) Deposited 2020-11-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric
Chain J 1–335（335 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8；Buffers were freshly prepared and 0.22 um filtered.
cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 sec
Resolution 2.93 Å
7KTS Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module) Deposited 2020-11-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain J 1–335（335 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；Buffers were freshly prepared and 0.22 um filtered.
Resolution 19.09 Å
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain J 1–335（335 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TADA1_HUMAN
Isoform —
PDB entities 6
Chains and sequence ranges Author chain G； PDBConstruct 40–374； UniProt 1–335

TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L

OrganismNot specified

UniProt O75529

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain H； UniProt 1–589 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 3 × 1 （Q15393） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcription initiation protein SPT3 homolog × 1 （O75486） Transcriptional adapter 1 × 1 （Q96BN2） STAGA complex 65 subunit gamma × 1 （O94864） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
7KTR Cryo-EM structure of the human SAGA coactivator complex (TRRAP, core) Deposited 2020-11-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric
Chain B 1–589（589 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8；Buffers were freshly prepared and 0.22 um filtered.
cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 sec
Resolution 2.93 Å
7KTS Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module) Deposited 2020-11-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain B 1–589（589 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；Buffers were freshly prepared and 0.22 um filtered.
Resolution 19.09 Å
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain L 1–589（589 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TAF5L_HUMAN
Isoform —
PDB entities 7
Chains and sequence ranges Author chain H； PDBConstruct 1–589； UniProt 1–589

STAGA complex 65 subunit gamma

Homo sapiens

UniProt O94864

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain I； UniProt 1–414 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 3 × 1 （Q15393） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcription initiation protein SPT3 homolog × 1 （O75486） Transcriptional adapter 1 × 1 （Q96BN2） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
7KTR Cryo-EM structure of the human SAGA coactivator complex (TRRAP, core) Deposited 2020-11-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric
Chain D 52–87（36 aa）
Chain D 119–414（296 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8；Buffers were freshly prepared and 0.22 um filtered.
cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 sec
Resolution 2.93 Å
7KTS Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module) Deposited 2020-11-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain D 52–87（36 aa）
Chain D 119–414（296 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；Buffers were freshly prepared and 0.22 um filtered.
Resolution 19.09 Å
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain D 1–414（414 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ST65G_HUMAN
Isoform —
PDB entities 8
Chains and sequence ranges Author chain I； PDBConstruct 1–414； UniProt 1–414

TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L

OrganismNot specified

UniProt Q9Y6J9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain K； UniProt 1–622 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 3 × 1 （Q15393） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcription initiation protein SPT3 homolog × 1 （O75486） Transcriptional adapter 1 × 1 （Q96BN2） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） STAGA complex 65 subunit gamma × 1 （O94864） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
7KTR Cryo-EM structure of the human SAGA coactivator complex (TRRAP, core) Deposited 2020-11-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric
Chain F 1–622（622 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8；Buffers were freshly prepared and 0.22 um filtered.
cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 sec
Resolution 2.93 Å
7KTS Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module) Deposited 2020-11-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain F 1–134（134 aa）
Chain F 375–622（248 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；Buffers were freshly prepared and 0.22 um filtered.
Resolution 19.09 Å
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain K 1–622（622 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TAF6L_HUMAN
Isoform —
PDB entities 9
Chains and sequence ranges Author chain K； PDBConstruct 1–622； UniProt 1–622

Transcription initiation factor TFIID subunit 9

OrganismNot specified

UniProt Q16594

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain M； UniProt 1–264 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 3 × 1 （Q15393） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcription initiation protein SPT3 homolog × 1 （O75486） Transcriptional adapter 1 × 1 （Q96BN2） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） STAGA complex 65 subunit gamma × 1 （O94864） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
6F3T Crystal structure of the human TAF5-TAF6-TAF9 complex Deposited 2017-11-28 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 × 3 PDB declaration: trimeric
Chain F 5–120（116 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277.15 K；0.1 M Tris/HCl pH6.8, 0.8M Na-Citrate, 0.0-0.15M NaCl
Resolution 2.50 Å R-free 0.220
6F3T Crystal structure of the human TAF5-TAF6-TAF9 complex Deposited 2017-11-28 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 × 3 PDB declaration: trimeric
Chain H 5–120（116 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277.15 K；0.1 M Tris/HCl pH6.8, 0.8M Na-Citrate, 0.0-0.15M NaCl
Resolution 2.50 Å R-free 0.220
6F3T Crystal structure of the human TAF5-TAF6-TAF9 complex Deposited 2017-11-28 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 × 3 PDB declaration: trimeric
Chain J 5–120（116 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277.15 K；0.1 M Tris/HCl pH6.8, 0.8M Na-Citrate, 0.0-0.15M NaCl
Resolution 2.50 Å R-free 0.220
6F3T Crystal structure of the human TAF5-TAF6-TAF9 complex Deposited 2017-11-28 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 × 3 PDB declaration: trimeric
Chain L 5–120（116 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277.15 K；0.1 M Tris/HCl pH6.8, 0.8M Na-Citrate, 0.0-0.15M NaCl
Resolution 2.50 Å R-free 0.220
6MZC Human TFIID BC core Deposited 2018-11-05 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric
Chain M 1–109（109 aa）
Chain M 117–264（148 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 4.50 Å
6MZD Human TFIID Lobe A canonical Deposited 2018-11-05 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric
Chain L 1–109（109 aa）
Chain L 117–264（148 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 9.80 Å
6MZL Human TFIID canonical state Deposited 2018-11-05 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 22 PDB declaration: 22-meric
Chain L 1–264（264 aa）
Chain M 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 23.00 Å
6MZM Human TFIID bound to promoter DNA and TFIIA Deposited 2018-11-05 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 15 PDB declaration: heptadecameric
Chain L 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 7.50 Å
7EDX p53-bound TFIID-based core PIC on HDM2 promoter Deposited 2021-03-17 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7EG7 TFIID-based core PIC on SCP promoter Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.20 Å
7EG8 TFIID-based core PIC on PUMA promoter Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.40 Å
7EG9 TFIID-based intermediate PIC on SCP promoter Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
7EGA TFIID-based intermediate PIC on PUMA promoter Deposited 2021-03-24 Different construct Different mutation/modification 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 I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
7EGB TFIID-based holo PIC on SCP promoter Deposited 2021-03-24 Different construct Different mutation/modification 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 I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7EGC p53-bound TFIID-based holo PIC on HDM2 promoter Deposited 2021-03-24 Different construct Different mutation/modification 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 I 1–264（264 aa）
Chain i 1–264（264 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
7EGD SCP promoter-bound TFIID-TFIIA in initial TBP-loading state Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.75 Å
7EGE TFIID in canonical conformation Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric
Chain I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 9.00 Å
7EGF TFIID lobe A subcomplex Deposited 2021-03-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric
Chain i 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.16 Å
7EGG TFIID lobe B subcomplex Deposited 2021-03-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric
Chain I 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.77 Å
7EGI TFIID in rearranged conformation Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 22 PDB declaration: 22-meric
Chain I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 9.82 Å
7EGJ SCP promoter-bound TFIID-TFIIA in post TBP-loading state Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.64 Å
7ENA TFIID-based PIC-Mediator holo-complex in pre-assembled state (pre-hPIC-MED) Deposited 2021-04-16 Different construct Different mutation/modification 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 DI 1–264（264 aa）
Chain Di 1–264（264 aa）
Not recorded ZN ZINC ION × 16 MG MAGNESIUM ION × 1 SF4 IRON/SULFUR CLUSTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.07 Å
7ENC TFIID-based PIC-Mediator holo-complex in fully-assembled state (hPIC-MED) Deposited 2021-04-16 Different construct Different mutation/modification 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 DI 1–264（264 aa）
Chain Di 1–264（264 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
8GXQ PIC-Mediator in complex with +1 nucleosome (T40N) in MH-binding state Deposited 2022-09-21 Different construct Different mutation/modification 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 DI 1–264（264 aa）
Chain Di 1–264（264 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.04 Å
8GXS PIC-Mediator in complex with +1 nucleosome (T40N) in H-binding state Deposited 2022-09-21 Different construct Different mutation/modification 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 DI 1–264（264 aa）
Chain Di 1–264（264 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
8WAK Structure of transcribing complex 2 (TC2), the initially transcribing complex with Pol II positioned 2nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.47 Å
8WAL Structure of transcribing complex 3 (TC3), the initially transcribing complex with Pol II positioned 3nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.52 Å
8WAN Structure of transcribing complex 4 (TC4), the initially transcribing complex with Pol II positioned 4nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.07 Å
8WAO Structure of transcribing complex 5 (TC5), the initially transcribing complex with Pol II positioned 5nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
8WAP Structure of transcribing complex 6 (TC6), the initially transcribing complex with Pol II positioned 6nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.85 Å
8WAQ Structure of transcribing complex 7 (TC7), the initially transcribing complex with Pol II positioned 7nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.29 Å
8WAR Structure of transcribing complex 8 (TC8), the initially transcribing complex with Pol II positioned 8nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 I 1–264（264 aa）
Chain i 1–264（264 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
8WAS Structure of transcribing complex 9 (TC9), the initially transcribing complex with Pol II positioned 9nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 I 1–264（264 aa）
Chain i 1–264（264 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

30 other PDB entries and 33 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TAF9_HUMAN
Isoform —
PDB entities 10
Chains and sequence ranges Author chain M； PDBConstruct 1–264； UniProt 1–264

Transcription initiation factor TFIID subunit 10

OrganismNot specified

UniProt Q12962

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain O； UniProt 1–218 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 3 × 1 （Q15393） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcription initiation protein SPT3 homolog × 1 （O75486） Transcriptional adapter 1 × 1 （Q96BN2） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） STAGA complex 65 subunit gamma × 1 （O94864） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
4J7F SET7/9Y335pAF in complex with TAF10 peptide and AdoHcy Deposited 2013-02-13 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 B 186–195（10 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；295 K；Sodium citrate, imidazole, nickel chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.59 Å R-free 0.215
4J7F SET7/9Y335pAF in complex with TAF10 peptide and AdoHcy Deposited 2013-02-13 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 × 4 PDB declaration: tetrameric
Chain B 186–195（10 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) SAH S-ADENOSYL-L-HOMOCYSTEINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；295 K；Sodium citrate, imidazole, nickel chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.59 Å R-free 0.215
4J7I SET7/9Y335F in complex with TAF10 peptide and AdoHcy Deposited 2013-02-13 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 B 186–195（10 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；295 K；Sodium citrate, imidazole, nickel chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.56 Å R-free 0.257
4J7I SET7/9Y335F in complex with TAF10 peptide and AdoHcy Deposited 2013-02-13 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 × 4 PDB declaration: tetrameric
Chain B 186–195（10 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) SAH S-ADENOSYL-L-HOMOCYSTEINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；295 K；Sodium citrate, imidazole, nickel chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.56 Å R-free 0.257
4J83 SET7/9 in complex with TAF10K189A peptide and AdoMet Deposited 2013-02-14 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 B 186–195（10 aa）
Mutation：K189A Non-standard monomer：Yes (specific site not provided by mmCIF) SAM S-ADENOSYLMETHIONINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；295 K；Sodium citrate, imidazole, nickel chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.70 Å R-free 0.211
4J83 SET7/9 in complex with TAF10K189A peptide and AdoMet Deposited 2013-02-14 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 × 4 PDB declaration: tetrameric
Chain B 186–195（10 aa）
Mutation：K189A Non-standard monomer：Yes (specific site not provided by mmCIF) SAM S-ADENOSYLMETHIONINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；295 K；Sodium citrate, imidazole, nickel chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.70 Å R-free 0.211
4J8O SET7/9 in complex with TAF10K189A peptide and AdoHcy Deposited 2013-02-14 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 B 186–195（10 aa）
Mutation：K189A Non-standard monomer：Yes (specific site not provided by mmCIF) SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；295 K；sodium citrate, imidazole, nickel chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.63 Å R-free 0.228
4WV4 Heterodimer of TAF8/TAF10 Deposited 2014-11-04 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 112–212（101 aa） Fragment：UNP 112-212
Not recorded GOL GLYCEROL × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.6；281.15 K；sodium/potassium phosphate
Resolution 1.91 Å R-free 0.237
5EG2 SET7/9 N265A in complex with AdoHcy and TAF10 peptide Deposited 2015-10-26 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 B 186–195（10 aa） Fragment：UNP residues 186-195
Non-standard monomer：Yes (specific site not provided by mmCIF) SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；293 K；1:1 ratio of protein solution to crystallization solution. Protein solution: 4.0-8.0 mg/mL protein, 2.5 mM AdoMet, 2.0 mM TAF10 peptide, and 2.0 mM TCEP Crystallant solution: 0.99 - 1.02 M sodium citrate, 12 - 22 mM nickel (II) chloride, and 100 mM imidazole pH 8.4
Resolution 1.55 Å R-free 0.171
6MZC Human TFIID BC core Deposited 2018-11-05 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric
Chain O 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 4.50 Å
6MZD Human TFIID Lobe A canonical Deposited 2018-11-05 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric
Chain N 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 9.80 Å
6MZL Human TFIID canonical state Deposited 2018-11-05 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 22 PDB declaration: 22-meric
Chain N 1–218（218 aa）
Chain O 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 23.00 Å
6MZM Human TFIID bound to promoter DNA and TFIIA Deposited 2018-11-05 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 15 PDB declaration: heptadecameric
Chain O 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 7.50 Å
7EDX p53-bound TFIID-based core PIC on HDM2 promoter Deposited 2021-03-17 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7EG7 TFIID-based core PIC on SCP promoter Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.20 Å
7EG8 TFIID-based core PIC on PUMA promoter Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.40 Å
7EG9 TFIID-based intermediate PIC on SCP promoter Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
7EGA TFIID-based intermediate PIC on PUMA promoter Deposited 2021-03-24 Different construct Different mutation/modification 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 J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
7EGB TFIID-based holo PIC on SCP promoter Deposited 2021-03-24 Different construct Different mutation/modification 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 J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7EGC p53-bound TFIID-based holo PIC on HDM2 promoter Deposited 2021-03-24 Different construct Different mutation/modification 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 J 1–218（218 aa）
Chain j 1–218（218 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
7EGD SCP promoter-bound TFIID-TFIIA in initial TBP-loading state Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.75 Å
7EGE TFIID in canonical conformation Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric
Chain J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 9.00 Å
7EGF TFIID lobe A subcomplex Deposited 2021-03-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric
Chain j 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.16 Å
7EGG TFIID lobe B subcomplex Deposited 2021-03-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric
Chain J 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.77 Å
7EGI TFIID in rearranged conformation Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 22 PDB declaration: 22-meric
Chain J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 9.82 Å
7EGJ SCP promoter-bound TFIID-TFIIA in post TBP-loading state Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.64 Å
7ENA TFIID-based PIC-Mediator holo-complex in pre-assembled state (pre-hPIC-MED) Deposited 2021-04-16 Different construct Different mutation/modification 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 DJ 1–218（218 aa）
Chain Dj 1–218（218 aa）
Not recorded ZN ZINC ION × 16 MG MAGNESIUM ION × 1 SF4 IRON/SULFUR CLUSTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.07 Å
7ENC TFIID-based PIC-Mediator holo-complex in fully-assembled state (hPIC-MED) Deposited 2021-04-16 Different construct Different mutation/modification 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 DJ 1–218（218 aa）
Chain Dj 1–218（218 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
7KTR Cryo-EM structure of the human SAGA coactivator complex (TRRAP, core) Deposited 2020-11-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric
Chain H 1–218（218 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8；Buffers were freshly prepared and 0.22 um filtered.
cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 sec
Resolution 2.93 Å
7KTS Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module) Deposited 2020-11-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain H 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；Buffers were freshly prepared and 0.22 um filtered.
Resolution 19.09 Å
8GXQ PIC-Mediator in complex with +1 nucleosome (T40N) in MH-binding state Deposited 2022-09-21 Different construct Different mutation/modification 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 DJ 1–218（218 aa）
Chain Dj 1–218（218 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.04 Å
8GXS PIC-Mediator in complex with +1 nucleosome (T40N) in H-binding state Deposited 2022-09-21 Different construct Different mutation/modification 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 DJ 1–218（218 aa）
Chain Dj 1–218（218 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
8WAK Structure of transcribing complex 2 (TC2), the initially transcribing complex with Pol II positioned 2nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.47 Å
8WAL Structure of transcribing complex 3 (TC3), the initially transcribing complex with Pol II positioned 3nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.52 Å
8WAN Structure of transcribing complex 4 (TC4), the initially transcribing complex with Pol II positioned 4nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.07 Å
8WAO Structure of transcribing complex 5 (TC5), the initially transcribing complex with Pol II positioned 5nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
8WAP Structure of transcribing complex 6 (TC6), the initially transcribing complex with Pol II positioned 6nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.85 Å
8WAQ Structure of transcribing complex 7 (TC7), the initially transcribing complex with Pol II positioned 7nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.29 Å
8WAR Structure of transcribing complex 8 (TC8), the initially transcribing complex with Pol II positioned 8nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 J 1–218（218 aa）
Chain j 1–218（218 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
8WAS Structure of transcribing complex 9 (TC9), the initially transcribing complex with Pol II positioned 9nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 J 1–218（218 aa）
Chain j 1–218（218 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
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain H 1–218（218 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å

38 other PDB entries and 41 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TAF10_HUMAN
Isoform —
PDB entities 11
Chains and sequence ranges Author chain O； PDBConstruct 1–218； UniProt 1–218

Transcription initiation factor TFIID subunit 12

OrganismNot specified

UniProt Q16514

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain R； UniProt 1–161 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 3 × 1 （Q15393） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcription initiation protein SPT3 homolog × 1 （O75486） Transcriptional adapter 1 × 1 （Q96BN2） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） STAGA complex 65 subunit gamma × 1 （O94864） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Unassigned sequence × 1 Ataxin-7 × 1 （O15265） ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
1H3O Crystal Structure of the Human TAF4-TAF12 (TAFII135-TAFII20) Complex Deposited 2002-09-12 Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain B 57–128（72 aa） Fragment：HISTONE FOLD DOMAIN, RESIDUES 57-128
Mutation：YES Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.25；pH 5.25
Resolution 2.30 Å R-free 0.272
1H3O Crystal Structure of the Human TAF4-TAF12 (TAFII135-TAFII20) Complex Deposited 2002-09-12 Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric
Chain D 57–128（72 aa） Fragment：HISTONE FOLD DOMAIN, RESIDUES 57-128
Mutation：YES Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.25；pH 5.25
Resolution 2.30 Å R-free 0.272
6MZC Human TFIID BC core Deposited 2018-11-05 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric
Chain R 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 4.50 Å
6MZD Human TFIID Lobe A canonical Deposited 2018-11-05 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric
Chain Q 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 9.80 Å
6MZL Human TFIID canonical state Deposited 2018-11-05 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 22 PDB declaration: 22-meric
Chain Q 1–161（161 aa）
Chain R 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 23.00 Å
6MZM Human TFIID bound to promoter DNA and TFIIA Deposited 2018-11-05 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 15 PDB declaration: heptadecameric
Chain R 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；BT 4s; BF 15N
Resolution 7.50 Å
7EDX p53-bound TFIID-based core PIC on HDM2 promoter Deposited 2021-03-17 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7EG7 TFIID-based core PIC on SCP promoter Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.20 Å
7EG8 TFIID-based core PIC on PUMA promoter Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 37 PDB declaration: 39-meric
Chain L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.40 Å
7EG9 TFIID-based intermediate PIC on SCP promoter Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Assembly 1 Protein–DNA Heteromer；Protein × 39 PDB declaration: 41-meric
Chain L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
7EGA TFIID-based intermediate PIC on PUMA promoter Deposited 2021-03-24 Different construct Different mutation/modification 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 L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
7EGB TFIID-based holo PIC on SCP promoter Deposited 2021-03-24 Different construct Different mutation/modification 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 L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
7EGC p53-bound TFIID-based holo PIC on HDM2 promoter Deposited 2021-03-24 Different construct Different mutation/modification 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 L 1–161（161 aa）
Chain l 1–161（161 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
7EGD SCP promoter-bound TFIID-TFIIA in initial TBP-loading state Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.75 Å
7EGE TFIID in canonical conformation Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric
Chain L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 9.00 Å
7EGF TFIID lobe A subcomplex Deposited 2021-03-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric
Chain l 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.16 Å
7EGG TFIID lobe B subcomplex Deposited 2021-03-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric
Chain L 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.77 Å
7EGI TFIID in rearranged conformation Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 22 PDB declaration: 22-meric
Chain L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 9.82 Å
7EGJ SCP promoter-bound TFIID-TFIIA in post TBP-loading state Deposited 2021-03-24 Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric
Chain L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.64 Å
7ENA TFIID-based PIC-Mediator holo-complex in pre-assembled state (pre-hPIC-MED) Deposited 2021-04-16 Different construct Different mutation/modification 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 DL 1–161（161 aa）
Chain Dl 1–161（161 aa）
Not recorded ZN ZINC ION × 16 MG MAGNESIUM ION × 1 SF4 IRON/SULFUR CLUSTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.07 Å
7ENC TFIID-based PIC-Mediator holo-complex in fully-assembled state (hPIC-MED) Deposited 2021-04-16 Different construct Different mutation/modification 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 DL 1–161（161 aa）
Chain Dl 1–161（161 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
7KTR Cryo-EM structure of the human SAGA coactivator complex (TRRAP, core) Deposited 2020-11-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric
Chain G 1–161（161 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8；Buffers were freshly prepared and 0.22 um filtered.
cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 sec
Resolution 2.93 Å
7KTS Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module) Deposited 2020-11-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain G 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；Buffers were freshly prepared and 0.22 um filtered.
Resolution 19.09 Å
8GXQ PIC-Mediator in complex with +1 nucleosome (T40N) in MH-binding state Deposited 2022-09-21 Different construct Different mutation/modification 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 DL 1–161（161 aa）
Chain Dl 1–161（161 aa）
Not recorded ZN ZINC ION × 19 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.04 Å
8GXS PIC-Mediator in complex with +1 nucleosome (T40N) in H-binding state Deposited 2022-09-21 Different construct Different mutation/modification 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 DL 1–161（161 aa）
Chain Dl 1–161（161 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
8WAK Structure of transcribing complex 2 (TC2), the initially transcribing complex with Pol II positioned 2nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.47 Å
8WAL Structure of transcribing complex 3 (TC3), the initially transcribing complex with Pol II positioned 3nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.52 Å
8WAN Structure of transcribing complex 4 (TC4), the initially transcribing complex with Pol II positioned 4nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.07 Å
8WAO Structure of transcribing complex 5 (TC5), the initially transcribing complex with Pol II positioned 5nt downstream of TSS. Deposited 2023-09-07 Different construct Different mutation/modification 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 L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
8WAP Structure of transcribing complex 6 (TC6), the initially transcribing complex with Pol II positioned 6nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.85 Å
8WAQ Structure of transcribing complex 7 (TC7), the initially transcribing complex with Pol II positioned 7nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.29 Å
8WAR Structure of transcribing complex 8 (TC8), the initially transcribing complex with Pol II positioned 8nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 L 1–161（161 aa）
Chain l 1–161（161 aa）
Not recorded ZN ZINC ION × 17 SF4 IRON/SULFUR CLUSTER × 1 MG MAGNESIUM ION × 1 W0F [[(2~{S},3~{R},4~{S},5~{R})-5-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.20 Å
8WAS Structure of transcribing complex 9 (TC9), the initially transcribing complex with Pol II positioned 9nt downstream of TSS. Deposited 2023-09-08 Different construct Different mutation/modification 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 L 1–161（161 aa）
Chain l 1–161（161 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
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain G 1–161（161 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å

33 other PDB entries and 34 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TAF12_HUMAN
Isoform —
PDB entities 12
Chains and sequence ranges Author chain R； PDBConstruct 1–161； UniProt 1–161

Ataxin-7

OrganismNot specified

UniProt O15265

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein copy count Chain L； UniProt 1–892 Not recorded Transformation/transcription domain-associated protein × 1 （Q9Y4A5） Splicing factor 3B subunit 3 × 1 （Q15393） Splicing factor 3B subunit 5 × 1 （Q9BWJ5） Transcription factor SPT20 homolog × 1 （Q8NEM7） Transcription initiation protein SPT3 homolog × 1 （O75486） Transcriptional adapter 1 × 1 （Q96BN2） TAF5-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 5L × 1 （O75529） STAGA complex 65 subunit gamma × 1 （O94864） TAF6-like RNA polymerase II p300/CBP-associated factor-associated factor 65 kDa subunit 6L × 1 （Q9Y6J9） Transcription initiation factor TFIID subunit 9 × 1 （Q16594） Transcription initiation factor TFIID subunit 10 × 1 （Q12962） Transcription initiation factor TFIID subunit 12 × 1 （Q16514） Unassigned sequence × 1 ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE Resolution 3.70 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 8H7G Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
2KKR Solution structure of SCA7 zinc finger domain from human ataxin-7 protein Deposited 2009-06-29 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 330–401（72 aa） Fragment：residues 339-397
Not recorded ZN ZINC ION × 1 SOLUTION NMR
NMR measurement conditions pH 7.1；295 K；Ionic strength (raw mmCIF value) 0.3；Pressure ambient
NMR sample composition 50 mM sodium phosphate, 200 mM sodium chloride, 2 mM DTT, 0.3 mM [U-99% 13C; U-99% 15N] ATXN7, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 50 mM sodium phosphate, 200 mM sodium chloride, 2 mM DTT, 0.6 mM ATXN7, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
7KTR Cryo-EM structure of the human SAGA coactivator complex (TRRAP, core) Deposited 2020-11-24 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric
Chain N 1–892（892 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8；Buffers were freshly prepared and 0.22 um filtered.
cryo-EM vitrification conditions Cryogen ETHANE；blot force 0, blot time 3 sec
Resolution 2.93 Å
7KTS Negative stain EM structure of the human SAGA coactivator complex (TRRAP, core, splicing module) Deposited 2020-11-24 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric
Chain N 1–892（892 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；Buffers were freshly prepared and 0.22 um filtered.
Resolution 19.09 Å
9RDK Cryo-EM structure of the human SAGA co-activator complex Deposited 2025-06-03 Different oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: 13-meric
Chain N 1–892（892 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å

4 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ATX7_HUMAN
Isoform —
PDB entities 14
Chains and sequence ranges Author chain L； PDBConstruct 1–892； UniProt 1–892

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 8h7g

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8h7g
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8h7g
Deposition date deposition_date2022-10-20
Structure title titleCryo-EM structure of the human SAGA complex
Keywords keywordstranscription, epigenetics; TRANSCRIPTION
Experimental Method methodELECTRON MICROSCOPY
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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier76.61 Å
Radius of gyration Rg (electron density) rg_electron77.24 Å
Forward intensity I(0) i07479950000.00
Molecular weight molecular_weight748300.0 kDa
Excluded volume excluded_volume943100 ų
Envelope volume envelope_volume1650600 ų
Hydration-shell volume shell_volume180270 ų
Envelope diameter envelope_diameter291.7 Å
Shell Rg shell_rg74.24 Å
Envelope Rg envelope_rg76.77 Å
Shape Rg shape_rg77.21 Å
Total Rg total_rg77.27 Å
Total atoms total_atoms52609
Residues n_residues6593
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 dmax204.2 Å
Rg (real space) rg_real73.55 Å
Rg uncertainty (real space) rg_real_error0.77 Å
I(0) (real space) i0_real7.2900e+09
I(0) uncertainty (real space) i0_real_error1.4710e+08
Rg (reciprocal space) rg_reciprocal75.55 Å
I(0) (reciprocal space) i0_reciprocal7459000000.0000
Solution quality estimate total_estimate0.8752
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary91.9 Å
Skewness Skewness skewness0.300
Kurtosis Kurtosis kurtosis-0.533
Angular range angular_range— – 0.1000 Å−1
Current regularization parameter α current_alpha0.0693
Highest regularization parameter α highest_alpha498400000.0000
Real-space data points n_real_points21
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.001; Oscil: 0.975; Stabil: 0.983; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.042
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (14)

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7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id8h7gA01
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id8h7gA02
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id8h7gH01
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily500 — TFIID subunit TAF5, NTD2 domain
Domain ID domain_id8h7gK01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology20 — Histone, subunit A
Homologous superfamily homologous superfamily10 — Histone, subunit A
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8. Citations (1)

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9. Files and Curves (10)