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Crystal structure of the second bromodomain of human transcription initiation factor tfiid subunit 1 (TAF1)
Analyse Crystal structure of the second bromodomain of human transcription initiation… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 3UV4
- Type
- protein
- Length
- 251 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Second bromodomain of human transcription initiation factor tfiid subunit 1 (TAF1)
- EC
- 2.7.11.1
- UniProt
- P21675
- Ligands
- PO4
- Pockets
- 4 · best druggability 0.51
Structure
x-ray diffraction · 2 distinct chains · 70% helix, 0% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Second bromodomain of human transcription initiation factor tfiid subunit 1 (TAF1) (EC 2.7.11.1) | protein | 125 | 69% helix, 0% strand | P21675 |
| B | Second bromodomain of human transcription initiation factor tfiid subunit 1 (TAF1) (EC 2.7.11.1) | protein | 126 | 71% helix, 0% strand | P21675 |
Ligands and binding sites
- PO4 · Phosphate ion · ion · chains B
- EDO · 1,2-ethanediol · additive · 3 copies · chains A, B
- GOL · Glycerol · additive · chains A
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
4 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 109 | 0.51 | 0.81 | 20 | EDO |
| 2 | 108 | 0.51 | 0.81 | 20 | EDO |
| 3 | 105 | 0.46 | 0.79 | 17 | empty |
| 4 | 84 | 0.33 | 0.74 | 17 | empty |
Interfaces
1 interface between chains.
- A–B · 703 Ų buried · 8 hydrogen bonds · protein-protein
Compared structures
- 3UV4 · Crystal Structure of the second bromodomain of human Transcription initiation factor… · the same entry in another collection · chain A against A, TM-score 1.00
- P21675 · AlphaFold monomer V2.0 prediction for transcription initiation factor tfiid subunit 1… · a predicted model of the same protein · chain B against A, TM-score 0.97
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt P21675
- Elsewhere: RCSB PDB 3UV4 · PDBe 3UV4 · UniProt P21675
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