PDBe 2ppe

X-ray diffraction
1.75Å resolution

Reduced H145A mutant of AfNiR exposed to NO

Released:
Source organism: Alcaligenes faecalis

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
Macromolecule:
Copper-containing nitrite reductase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 343 amino acids
Theoretical weight: 37 KDa
Source organism: Alcaligenes faecalis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P38501 (Residues: 34-376; Coverage: 100%)
Gene names: nir, 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: SSRL BEAMLINE BL1-5
Spacegroup: P212121
Unit cell:
a: 61.079Å b: 101.89Å c: 145.67Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.174 0.172 0.196
Expression system: Escherichia coli BL21(DE3)