2f1o

X-ray diffraction
2.75Å resolution

Crystal Structure of NQO1 with Dicoumarol

Released:

Function and Biology Details

Reaction catalysed:
NAD(P)H + a quinone = NAD(P)(+) + a hydroquinone
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-147405 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
NAD(P)H dehydrogenase [quinone] 1 Chains: A, B, C, D, E, F, G, H
Molecule details ›
Chains: A, B, C, D, E, F, G, H
Length: 273 amino acids
Theoretical weight: 30.78 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P15559 (Residues: 2-274; Coverage: 100%)
Gene names: DIA4, NMOR1, NQO1
Sequence domains: Flavodoxin-like fold
Structure domains: Rossmann fold

Ligands and Environments


Cofactor: Ligand FAD 8 x FAD
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU300
Spacegroup: P1
Unit cell:
a: 76.244Å b: 86.187Å c: 100.562Å
α: 91.14° β: 107.91° γ: 93.17°
R-values:
R R work R free
0.219 0.219 0.282
Expression system: Escherichia coli