Research workbench
Crystal structure of E. COLI hydrogenase-1 in a ferricyanide-oxidized form
Analyse Crystal structure of E. COLI hydrogenase-1 in a ferricyanide-oxidized form in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 3USC
- Type
- protein
- Length
- 1,692 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Hydrogenase-1 small chain; Hydrogenase-1 large chain
- EC
- 1.12.99.6
- UniProt
- P69739, P0ACD8
- Ligands
- SF4, F3S, SF3, FCO, 3NI, MG, LI, CL, SO4
- Pockets
- 10 · best druggability 0.82
Structure
x-ray diffraction · 2 distinct chains · 41% helix, 18% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| S, T | Hydrogenase-1 small chain (EC 1.12.99.6) | protein | 265 | 37% helix, 18% strand | P69739 |
| L, M | Hydrogenase-1 large chain (EC 1.12.99.6) | protein | 581 | 43% helix, 17% strand | P0ACD8 |
Ligands and binding sites
- SF4 · Iron/sulfur cluster · ligand · 2 copies · chains S, T
- F3S · FE3-S4 cluster · ligand · 2 copies · chains S, L, T, M
- SF3 · FE4-S3 cluster · ligand · 2 copies · chains S, L, T, M
- FCO · Carbonmonoxide-(dicyano) iron · ligand · 2 copies · chains L, M
- 3NI · Nickel (III) ion · metal · 2 copies · chains L, M
- MG · Magnesium ion · metal · 2 copies · chains L, M
- LI · Lithium ion · metal · chains L
- CL · Chloride ion · ion · 5 copies · chains S, T
- SO4 · Sulfate ion · ion · 4 copies · chains S, L, T, M
- LMT · Dodecyl-beta-D-maltoside · additive · 2 copies · chains S, T
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
10 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 788 | 0.82 | 0.85 | 94 | empty |
| 2 | 53 | 0.69 | 0.98 | 26 | empty |
| 3 | 112 | 0.61 | 0.86 | 24 | LMT |
| 4 | 101 | 0.59 | 0.85 | 19 | LMT |
| 5 | 173 | 0.49 | 0.77 | 35 | empty |
Interfaces
6 interfaces between chains.
- T–M · 4086 Ų buried · 67 hydrogen bonds · protein-protein
- S–L · 4085 Ų buried · 67 hydrogen bonds · protein-protein
- S–M · 840 Ų buried · 8 hydrogen bonds · protein-protein
- L–T · 838 Ų buried · 8 hydrogen bonds · protein-protein
- S–T · 658 Ų buried · 8 hydrogen bonds · protein-protein
Compared structures
- 3USC · Crystal Structure of E. coli hydrogenase-1 in a ferricyanide-oxidized form · the same entry in another collection · chain S against S, TM-score 1.00
- P0ACD8 · AlphaFold monomer V2.0 prediction for hydrogenase-1 large chain (P0ACD8) · a predicted model of the same protein · chain L against A, TM-score 1.00
- P69739 · AlphaFold monomer V2.0 prediction for hydrogenase-1 small chain (P69739) · a predicted model of the same protein · chain S 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 P69739
- Every structure of UniProt P0ACD8
- Elsewhere: RCSB PDB 3USC · PDBe 3USC · UniProt P69739 · UniProt P0ACD8
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