X-ray diffraction
1.12Å resolution

Atomic Resolution Structure of D92E Mutant of Alcaligenes xylosoxidans Nitrite Reductase


Function and Biology Details

Reaction catalysed:
Nitric oxide + H(2)O + ferricytochrome c = nitrite + ferrocytochrome c + 2 H(+)
Biochemical function:
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: 336 amino acids
Theoretical weight: 36.57 KDa
Source organism: Achromobacter xylosoxidans
Expression system: Escherichia coli
  • Canonical: O68601 (Residues: 25-360; Coverage: 100%)
Gene names: ERS451415_02178, nir, nirK
Sequence domains:
Structure domains: Cupredoxins - blue copper proteins

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX9.5
Spacegroup: P63
Unit cell:
a: 78.7Å b: 78.7Å c: 98.9Å
α: 90° β: 90° γ: 120°
R R work R free
0.12 not available 0.179
Expression system: Escherichia coli