PDBe 1fgj

X-ray diffraction
2.8Å resolution

X-RAY STRUCTURE OF HYDROXYLAMINE OXIDOREDUCTASE

Released:

Function and Biology Details

Reaction catalysed:
(1) Hydroxylamine + H(2)O + 4 ferricytochrome c = nitrite + 4 ferrocytochrome c + 5 H(+). (2) Hydroxylamine + 3 ferricytochrome c = nitric oxide + 3 ferrocytochrome c + 3 H(+). 
Biochemical function:
Biological process:
Cellular component:
Structure domain:

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Hydroxylamine oxidoreductase Chains: A, B
Molecule details ›
Chains: A, B
Length: 546 amino acids
Theoretical weight: 61.74 KDa
Source organism: Nitrosomonas europaea
UniProt:
  • Canonical: Q50925 (Residues: 25-570; Coverage: 100%)
Gene names: NE0962, NE2044, NE2339, hao1, hao2, hao3
Sequence domains: Seven times multi-haem cytochrome CxxCH
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-6A
Spacegroup: P63
Unit cell:
a: 96.2Å b: 96.2Å c: 265.7Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.23 0.23 0.309