MolNFT v1 · #62492 · protein
Structure of the reduced form of cytochrome BA3 oxidase from thermus thermophilus
3EH4 · Cytochrome C oxidase subunit 1: “Structure of the reduced form of cytochrome BA3 oxidase from thermus thermophilus”. X-ray diffraction, 5 ligands (HEM, HAS, CUA), 3 pockets (best druggability 0.90). MolNFT v1 #62492 on GenesisL1: 3D…
- PDB
- 3EH4
- Type
- protein
- Length
- 756 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Cytochrome C oxidase subunit 1; Cytochrome C oxidase subunit 2; Cytochrome C oxidase…
- EC
- 1.9.3.1
- UniProt
- Q5SJ79, Q5SJ80, P82543
- Ligands
- HEM, HAS, CUA, BNG, CU1
- Pockets
- 3 · best druggability 0.90
Structure
x-ray diffraction · 3 distinct chains · 61% helix, 9% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Cytochrome C oxidase subunit 1 (EC 1.9.3.1) | protein | 557 | 71% helix, 1% strand | Q5SJ79 |
| B | Cytochrome C oxidase subunit 2 (EC 1.9.3.1) | protein | 166 | 25% helix, 34% strand | Q5SJ80 |
| C | Cytochrome C oxidase polypeptide 2A (EC 1.9.3.1) | protein | 33 | 82% helix, 0% strand | P82543 |
Ligands and binding sites
- HEM · Protoporphyrin IX containing Fe · ligand · chains A
- HAS · Heme-as · ligand · chains A, C
- CUA · Dinuclear copper ion · ligand · chains B
- BNG · nonyl beta-D-glucopyranoside · ligand · chains A, C
- CU1 · Copper (I) ion · metal · chains A
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
3 pockets found on a 1 Å grid, 1 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 854 | 0.90 | 0.92 | 106 | HEM, HAS |
| 2 | 93 | 0.47 | 0.79 | 24 | empty |
| 3 | 78 | 0.30 | 0.73 | 17 | empty |
Interfaces
3 interfaces between chains.
- A–B · 3085 Ų buried · 32 hydrogen bonds · protein-protein
- A–C · 1077 Ų buried · 4 hydrogen bonds · protein-protein
- B–C · 953 Ų buried · 8 hydrogen bonds · protein-protein
Compared structures
- 3EH4 · Structure of the reduced form of cytochrome ba3 oxidase from Thermus thermophilus · the same entry in another collection · chain A against A, TM-score 1.00
- Q5SJ80 · AlphaFold monomer V2.0 prediction for cytochrome C oxidase subunit 2 (Q5SJ80) · a predicted model of the same protein · chain B against A, TM-score 0.99
- Q5SJ79 · AlphaFold monomer V2.0 prediction for cytochrome C oxidase subunit 1 (Q5SJ79) · a predicted model of the same protein · chain A against A, TM-score 0.99
- P82543 · AlphaFold monomer V2.0 prediction for cytochrome C oxidase polypeptide 2A (P82543) · a predicted model of the same protein · chain C against A, TM-score 0.83
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 Q5SJ79
- Every structure of UniProt Q5SJ80
- Every structure of UniProt P82543
- Elsewhere: RCSB PDB 3EH4 · PDBe 3EH4 · UniProt Q5SJ79 · UniProt Q5SJ80 · UniProt P82543
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