MolNFT v1 · #16060 · protein
Conformational changes occurring upon no binding in nitrite reductase from pseudomonas aeruginosa
1NNO: “Conformational changes occurring upon no binding in nitrite reductase from pseudomonas aeruginosa”. X-ray diffraction, 3 ligands (HEC, DHE, NO), 5 pockets (best druggability 0.85). MolNFT v1 #16060 on GenesisL1: 3D structure…
- PDB
- 1NNO
- Type
- protein
- Length
- 1,078 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Nitrite reductase
- EC
- 1.9.3.2
- UniProt
- P24474
- Ligands
- HEC, DHE, NO
- Pockets
- 5 · best druggability 0.85
Structure
x-ray diffraction · 1 distinct chain · 16% helix, 37% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, B | Nitrite reductase (EC 1.9.3.2) | protein | 539 | 16% helix, 37% strand | P24474 |
Ligands and binding sites
- HEC · Heme C · ligand · 2 copies · chains A, B
- DHE · Heme D · ligand · 2 copies · chains A, B
- NO · Nitric oxide · ion · 2 copies · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
5 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 976 | 0.85 | 0.87 | 111 | HEC, DHE, NO |
| 2 | 928 | 0.85 | 0.86 | 110 | HEC, DHE, NO |
| 3 | 482 | 0.83 | 0.90 | 52 | empty |
| 4 | 922 | 0.76 | 0.79 | 84 | empty |
| 5 | 89 | 0.31 | 0.73 | 17 | empty |
Interfaces
1 interface between chains.
- A–B · 3344 Ų buried · 34 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 cofactor (heme c attachment).
Compared structures
- 1NNO · Conformational changes occurring upon no binding in nitrite reductase from pseudomonas… · the same entry in another collection · chain B against B, TM-score 1.00
- P24474 · AlphaFold monomer V2.0 prediction for nitrite reductase (P24474) · a predicted model of the same protein · chain A against A, TM-score 0.89
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 P24474
- Elsewhere: RCSB PDB 1NNO · PDBe 1NNO · UniProt P24474
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