MolNFT v1 · #103956 · protein
Crystal structure of the electron-transfer complex formed between a sulfite dehydrogenase and a C-type cytochrome from sinorhizobium meliloti
4PW9 · Putative sulfite oxidase: “Crystal structure of the electron-transfer complex formed between a sulfite dehydrogenase and a C-type…”. X-ray diffraction, 2 ligands (MSS, HEC), 3 pockets (best druggability 0.85). MolNFT v1 #103956 on…
- PDB
- 4PW9
- Type
- protein
- Length
- 446 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Putative sulfite oxidase; Putative cytochrome C
- EC
- 1.8.3.1
- UniProt
- Q92M24, Q92M25
- Ligands
- MSS, HEC
- Pockets
- 3 · best druggability 0.85
Structure
x-ray diffraction · 2 distinct chains · 22% helix, 31% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Putative sulfite oxidase (EC 1.8.3.1) | protein | 363 | 15% helix, 36% strand | Q92M24 |
| B | Putative cytochrome C | protein | 83 | 57% helix, 8% strand | Q92M25 |
Ligands and binding sites
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
3 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 706 | 0.85 | 0.89 | 77 | HEC |
| 2 | 65 | 0.73 | 0.98 | 22 | MSS |
| 3 | 106 | 0.45 | 0.79 | 23 | empty |
Interfaces
1 interface between chains.
- A–B · 709 Ų buried · 8 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 2 cofactor (heme c attachment).
Compared structures
- 4PW9 · Crystal structure of the electron-transfer complex formed between a sulfite dehydrogenase… · the same entry in another collection · chain A against A, TM-score 1.00
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 Q92M24
- Every structure of UniProt Q92M25
- Elsewhere: RCSB PDB 4PW9 · PDBe 4PW9 · UniProt Q92M24 · UniProt Q92M25
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