2j7a

X-ray diffraction
2.3Å resolution

Crystal structure of cytochrome c nitrite reductase NrfHA complex from Desulfovibrio vulgaris

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-180796 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Cytochrome c nitrite reductase subunit NrfA Chains: A, B, D, E, G, H, J, K, M, N, P, Q
Molecule details ›
Chains: A, B, D, E, G, H, J, K, M, N, P, Q
Length: 500 amino acids
Theoretical weight: 57.57 KDa
Source organism: Nitratidesulfovibrio vulgaris str. Hildenborough
UniProt:
  • Canonical: Q72EF3 (Residues: 25-524; Coverage: 100%)
Gene names: DVU_0625, nrfA
Sequence domains: Cytochrome c552
Structure domains:
Cytochrome c nitrite reductase subunit NrfH Chains: C, F, I, L, O, R
Molecule details ›
Chains: C, F, I, L, O, R
Length: 159 amino acids
Theoretical weight: 17.29 KDa
Source organism: Nitratidesulfovibrio vulgaris str. Hildenborough
UniProt:
  • Canonical: Q72EF4 (Residues: 1-159; Coverage: 100%)
Gene name: DVU_0624
Sequence domains: NapC/NirT cytochrome c family, N-terminal region
Structure domains: Di-heme elbow motif domain

Ligands and Environments


Cofactor: Ligand HEC 84 x HEC
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P212121
Unit cell:
a: 79.664Å b: 258.117Å c: 580.742Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.203 0.201 0.24