4xyd

X-ray diffraction
2.85Å resolution

Nitric oxide reductase from Roseobacter denitrificans (RdNOR)

Released:

Function and Biology Details

Reaction catalysed:
Nitrous oxide + 2 ferricytochrome c + H(2)O = 2 nitric oxide + 2 ferrocytochrome c + 2 H(+)
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-172619 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Cytochrome oxidase subunit I profile domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 456 amino acids
Theoretical weight: 51.4 KDa
Source organism: Roseobacter denitrificans OCh 114
UniProt:
  • Canonical: Q16A04 (Residues: 1-456; Coverage: 100%)
Gene names: RD1_1561, norB
Sequence domains: Cytochrome C and Quinol oxidase polypeptide I
Structure domains: Cytochrome c oxidase-like, subunit I domain
Cytochrome c domain-containing protein Chain: B
Molecule details ›
Chain: B
Length: 150 amino acids
Theoretical weight: 16.85 KDa
Source organism: Roseobacter denitrificans OCh 114
UniProt:
  • Canonical: Q16A03 (Residues: 1-150; Coverage: 100%)
Gene names: RD1_1562, norC
Sequence domains: Cytochrome c
Structure domains: Cytochrome c-like domain

Ligands and Environments


Cofactor: Ligand HEM 2 x HEM

Cofactor: Ligand HEC 1 x HEC
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Unit cell:
a: 86.22Å b: 98.83Å c: 126.78Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.191 0.188 0.243