PDBe 2bwd

X-ray diffraction
1.15Å resolution

Atomic Resolution Structure of Achromobacter cycloclastes Cu Nitrite Reductase with Endogenously bound Nitrite and NO


Function and Biology Details

Reaction catalysed:
Nitric oxide + H(2)O + ferricytochrome c = nitrite + ferrocytochrome c + 2 H(+)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Copper-containing nitrite reductase Chain: A
Molecule details ›
Chain: A
Length: 340 amino acids
Theoretical weight: 37.06 KDa
Source organism: Achromobacter cycloclastes
  • Canonical: P25006 (Residues: 39-378; Coverage: 100%)
Gene name: nirK
Sequence domains:
Structure domains: Cupredoxins - blue copper proteins

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX9.6
Spacegroup: P213
Unit cell:
a: 96.237Å b: 96.237Å c: 96.237Å
α: 90° β: 90° γ: 90°
R R work R free
0.114 0.113 0.144