MolNFT v1 · #163156 · protein
The 3D structure of [nifese] hydrogenase G491S variant from desulfovibrio vulgaris hildenborough at 1.20 ångström resolution
6RUC · Periplasmic [nifese] hydrogenase, small subunit: “The 3D structure of [nifese] hydrogenase G491S variant from desulfovibrio vulgaris hildenborough at 1.20…”. X-ray diffraction, 7 ligands (SF4, 6ML, FCO), 4 pockets (best druggability…
- PDB
- 6RUC
- Type
- protein
- Length
- 766 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Periplasmic [nifese] hydrogenase, small subunit; Periplasmic [nifese] hydrogenase, large…
- EC
- 1.12.7.2
- UniProt
- Q72AS4, Q72AS3
- Ligands
- SF4, 6ML, FCO, NI, FE2, H2S, CL
- Pockets
- 4 · best druggability 0.80
Structure
x-ray diffraction · 2 distinct chains · 43% helix, 19% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Periplasmic [nifese] hydrogenase, small subunit (EC 1.12.7.2) | protein | 283 | 42% helix, 18% strand | Q72AS4 |
| B | Periplasmic [nifese] hydrogenase, large subunit, selenocysteine-containing (EC 1.12.7.2) | protein | 483 | 44% helix, 19% strand | Q72AS3 |
Ligands and binding sites
- SF4 · Iron/sulfur cluster · ligand · 3 copies · chains A, B
- 6ML · oxygen-damaged SF4 · ligand · chains A, B
- FCO · Carbonmonoxide-(dicyano) iron · ligand · chains B
- NI · Nickel (II) ion · metal · chains B
- FE2 · Fe (II) ion · metal · chains B
- H2S · Hydrosulfuric acid · ion · chains B
- CL · Chloride ion · ion · chains B
- GOL · Glycerol · additive · 2 copies · chains A, B
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 | 130 | 0.80 | 0.96 | 39 | empty |
| 2 | 257 | 0.59 | 0.79 | 33 | empty |
| 3 | 98 | 0.48 | 0.81 | 19 | empty |
| 4 | 67 | 0.36 | 0.78 | 19 | empty |
Interfaces
1 interface between chains.
- A–B · 3352 Ų buried · 52 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 1 covalent, 1 modified (covalent ligand, oxidation).
Compared structures
- 6RUC · The 3D structure of [nifese] hydrogenase G491S variant from desulfovibrio vulgaris… · 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 Q72AS4
- Every structure of UniProt Q72AS3
- Elsewhere: RCSB PDB 6RUC · PDBe 6RUC · UniProt Q72AS4 · UniProt Q72AS3
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