PDBe 1oah

X-ray diffraction
2.3Å resolution

Cytochrome c Nitrite Reductase from Desulfovibrio desulfuricans ATCC 27774: The relevance of the two calcium sites in the structure of the catalytic subunit (NrfA).


Function and Biology Details

Reaction catalysed:
NH(3) + 2 H(2)O + 6 ferricytochrome c = nitrite + 6 ferrocytochrome c + 7 H(+)

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Cytochrome c-552 Chains: A, B
Molecule details ›
Chains: A, B
Length: 519 amino acids
Theoretical weight: 59.23 KDa
Source organism: Desulfovibrio desulfuricans
  • Canonical: Q8VNU2 (Residues: 1-514; Coverage: 100%)
Gene name: nrfA
Sequence domains: Cytochrome c552
Structure domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P212121
Unit cell:
a: 78.94Å b: 104.6Å c: 143.18Å
α: 90° β: 90° γ: 90°
R R work R free
0.189 0.189 0.224