› › Function and Biology

X-RAY STRUCTURE OF HYDROXYLAMINE OXIDOREDUCTASE

Source organism: Nitrosomonas europaea
Biochemical function: hydroxylamine oxidase activity
Biological process: protein homotrimerization
Cellular component: anammoxosome

Quick links

EC 1.7.2.6: Hydroxylamine dehydrogenase

Reaction catalysed:
Hydroxylamine + 3 ferricytochrome c = nitric oxide + 3 ferrocytochrome c + 3 H(+)
Systematic name:
Hydroxylamine:ferricytochrome-c oxidoreductase (nitrile-forming)
Alternative Name(s):
  • HAO
  • Hydroxylamine oxidase
  • Hydroxylamine oxidoreductase

GO terms

Sequence family

Pfam Protein family (Pfam)
PF13447
Domain description: Seven times multi-haem cytochrome CxxCH
Occurring in:
  1. Hydroxylamine oxidoreductase
The deposited structure of PDB entry 1fgj contains 2 copies of Pfam domain PF13447 (Seven times multi-haem cytochrome CxxCH) in Hydroxylamine oxidoreductase. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR036280
Domain description: Multiheme cytochrome superfamily
Occurring in:
  1. Hydroxylamine oxidoreductase
IPR012138
Domain description: Hydroxylamine oxidase
Occurring in:
  1. Hydroxylamine oxidoreductase

Structure domains

CATH CATH domains
1.20.850.10
Class: Mainly Alpha
Architecture: Up-down Bundle
Topology: Hydroxylamine Oxidoreductase; Chain A, domain 2
Homology: Hydroxylamine Oxidoreductase; Chain A, domain 2
Occurring in:
  1. Hydroxylamine oxidoreductase
The deposited structure of PDB entry 1fgj contains 2 copies of CATH domain 1.20.850.10 (Hydroxylamine Oxidoreductase; Chain A, domain 2) in Hydroxylamine oxidoreductase. Showing 1 copy in chain A.
1.10.780.10
Class: Mainly Alpha
Architecture: Orthogonal Bundle
Topology: Hydroxylamine Oxidoreductase; Chain A, domain 1
Homology: Hydroxylamine Oxidoreductase; Chain A, domain 1
Occurring in:
  1. Hydroxylamine oxidoreductase
The deposited structure of PDB entry 1fgj contains 2 copies of CATH domain 1.10.780.10 (Hydroxylamine Oxidoreductase; Chain A, domain 1) in Hydroxylamine oxidoreductase. Showing 1 copy in chain A.
SCOP SCOP annotation
48711
Class: All alpha proteins
Fold: Multiheme cytochromes
Superfamily: Multiheme cytochromes
Occurring in:
  1. Hydroxylamine oxidoreductase
The deposited structure of PDB entry 1fgj contains 2 copies of SCOP domain 48711 (Di-heme elbow motif) in Hydroxylamine oxidoreductase. Showing 1 copy in chain A.

Quick links