PDBe 1npn

X-ray diffraction
1.8Å resolution

Crystal structure of a copper reconstituted H145A mutant of nitrite reductase from Alcaligenes faecalis


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
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
  • Best match: P38501 (Residues: 34-376)
Gene names: nir, nirK

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P212121
Unit cell:
a: 61.6Å b: 102.52Å c: 146.07Å
α: 90° β: 90° γ: 90°
R R work R free
0.156 0.156 0.195
Expression system: Escherichia coli