Research workbench
Human cytochrome P450 17A1 in complex with inhibitor: abiraterone C6 nitrile
Analyse Human cytochrome P450 17A1 in complex with inhibitor: abiraterone C6 nitrile in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 6CIZ
- Type
- protein
- Length
- 1,882 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Steroid 17-alpha-HYDROXYLASE/17,20 lyase
- EC
- 1.14.14.19, 1.14.14.32
- UniProt
- P05093
- Ligands
- HEM, 3NR
- Pockets
- 20 · best druggability 0.87
Structure
x-ray diffraction · 4 distinct chains · 50% helix, 11% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Steroid 17-alpha-HYDROXYLASE/17,20 lyase (EC 1.14.14.19, 1.14.14.32) | protein | 468 | 50% helix, 10% strand | P05093 |
| B | Steroid 17-alpha-HYDROXYLASE/17,20 lyase (EC 1.14.14.19, 1.14.14.32) | protein | 469 | 51% helix, 11% strand | P05093 |
| C | Steroid 17-alpha-HYDROXYLASE/17,20 lyase (EC 1.14.14.19, 1.14.14.32) | protein | 477 | 49% helix, 10% strand | P05093 |
| D | Steroid 17-alpha-HYDROXYLASE/17,20 lyase (EC 1.14.14.19, 1.14.14.32) | protein | 468 | 48% helix, 11% strand | P05093 |
Ligands and binding sites
- HEM · Protoporphyrin IX containing Fe · ligand · 4 copies · chains A, B, C, D
- 3NR · 6-cyano-17-(3-pyridyl)-androst-5,16-dien-3-ol · ligand · 4 copies · chains A, B, C, D
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 17 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 587 | 0.87 | 0.92 | 54 | HEM, 3NR |
| 2 | 570 | 0.87 | 0.92 | 56 | HEM, 3NR |
| 3 | 566 | 0.87 | 0.92 | 53 | HEM, 3NR |
| 4 | 597 | 0.87 | 0.92 | 59 | HEM, 3NR |
| 5 | 996 | 0.82 | 0.83 | 98 | empty |
Interfaces
6 interfaces between chains.
- B–C · 2241 Ų buried · 25 hydrogen bonds · protein-protein
- A–D · 2197 Ų buried · 25 hydrogen bonds · protein-protein
- A–B · 825 Ų buried · 8 hydrogen bonds · protein-protein
- B–D · 331 Ų buried · 2 hydrogen bonds · protein-protein
- A–C · 318 Ų buried · 1 hydrogen bond · protein-protein
Compared structures
- 6CIZ · Human Cytochrome P450 17A1 in complex with inhibitor: abiraterone C6 nitrile · the same entry in another collection · chain A against A, TM-score 1.00
- P05093 · AlphaFold monomer V2.0 prediction for steroid 17-alpha- HYDROXYLASE/17,20 lyase (P05093) · a predicted model of the same protein · chain A against A, TM-score 0.95
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 P05093
- Elsewhere: RCSB PDB 6CIZ · PDBe 6CIZ · UniProt P05093
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