MolNFT v1 · #74448 · protein
X-ray structural study of quinone reductase II inhibition by compounds with micromolar to nanomolar range IC50 values
3OX3 · Ribosyldihydronicotinamide dehydrogenase [quinone]: “X-ray structural study of quinone reductase II inhibition by compounds with micromolar to nanomolar range…”. X-ray diffraction, 3 ligands (FAD, 4X4, ZN), 2 pockets (best…
- PDB
- 3OX3
- Type
- protein
- Length
- 455 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Ribosyldihydronicotinamide dehydrogenase [quinone]
- EC
- 1.10.99.2
- UniProt
- P16083
- Ligands
- FAD, 4X4, ZN
- Pockets
- 2 · best druggability 0.77
Structure
x-ray diffraction · 2 distinct chains · 41% helix, 16% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Ribosyldihydronicotinamide dehydrogenase [quinone] (EC 1.10.99.2) | protein | 227 | 41% helix, 16% strand | P16083 |
| B | Ribosyldihydronicotinamide dehydrogenase [quinone] (EC 1.10.99.2) | protein | 228 | 41% helix, 16% strand | P16083 |
Ligands and binding sites
- FAD · Flavin-adenine dinucleotide · ligand · 2 copies · chains A, B
- 4X4 · N-[2-(2-methoxy-1H-dipyrido[2,3-a:3',2'-e]pyrrolizin-11-yl)ethyl]furan-2-carboxamide · ligand · 2 copies · chains A, B
- ZN · Zinc ion · metal · 2 copies · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
2 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 634 | 0.77 | 0.83 | 49 | FAD, 4X4 |
| 2 | 607 | 0.76 | 0.82 | 47 | 4X4, FAD |
Interfaces
1 interface between chains.
- A–B · 2033 Ų buried · 28 hydrogen bonds · protein-protein
Compared structures
- 3OX3 · X-ray Structural study of qui reductase II inhibition by compounds with micromolar to… · 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 P16083
- Elsewhere: RCSB PDB 3OX3 · PDBe 3OX3 · UniProt P16083
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