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Crystal structure of H145A mutant of nitrite reductase from Alcaligenes faecalis

X-ray diffraction
1.9Å resolution
PDB entry 1npj coloured by chain, front view.
PDB entry 1npj coloured by chain, side view.
PDB entry 1npj coloured by chain, top view.
Source organism: Alcaligenes faecalis
Assembly composition:
homo trimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Copper-containing nitrite reductase
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Multimeric state: homo trimer
Accessible surface area: 33112.61 Å2
Buried surface area: 13153.53 Å2
Dissociation area: 6,249.15 Å2
Dissociation energy (ΔGdiss): 93.37 kcal/mol
Dissociation entropy (TΔSdiss): 29.17 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-153659

Macromolecules

Copper-containing nitrite reductase
Chains: A, B, C
Length: 343 amino acids
Theoretical weight: 37 KDa
Source organism: Alcaligenes faecalis
Expression system: Escherichia coli
UniProt:
  • Canonical: P38501 (Residues: 34-376; Coverage: 100%)
Gene names: nir, nirK
Pfam:
InterPro:
CATH: Cupredoxins - blue copper proteins
SCOP: Multidomain cupredoxins
Copper-containing nitrite reductase in PDB entry 1npj, assembly 1, front view.
Copper-containing nitrite reductase in PDB entry 1npj, assembly 1, side view.
Copper-containing nitrite reductase in PDB entry 1npj, assembly 1, top view.
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