4n4n

X-ray diffraction
2.2Å resolution

Nitrosomonas europea HAO

Released:

Function and Biology Details

Reaction catalysed:
Hydroxylamine + 3 ferricytochrome c = nitric oxide + 3 ferrocytochrome c + 3 H(+)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-175890 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Hydroxylamine oxidoreductase Chains: A, C, E
Molecule details ›
Chains: A, C, E
Length: 546 amino acids
Theoretical weight: 61.72 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:
Secreted protein Chains: B, D, F
Molecule details ›
Chains: B, D, F
Length: 57 amino acids
Theoretical weight: 6.18 KDa
Source organism: Nitrosomonas europaea
UniProt:
  • Canonical: Q82V11 (Residues: 28-84; Coverage: 83%)
Gene name: NE1300
Sequence domains: Hypothetical protein NE1300
Structure domains: Actin; Chain A, domain 4

Ligands and Environments


Cofactor: Ligand HEC 24 x HEC
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PETRA III, DESY BEAMLINE P11
Spacegroup: P21212
Unit cell:
a: 140.72Å b: 141.97Å c: 106.72Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.182 0.179 0.213