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THE STRUCTURE OF CU-NITRITE REDUCTASE FROM ACHROMOBACTER CYCLOCLASTES AT FIVE PH VALUES, WITH NITRITE BOUND AND WITH TYPE II CU DEPLETED

X-ray diffraction
2.5Å resolution
PDB entry 1nia coloured by chain, front view.
PDB entry 1nia coloured by chain, side view.
PDB entry 1nia coloured by chain, top view.
Source organism: Achromobacter cycloclastes
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: 33062.17 Å2
Buried surface area: 12411.52 Å2
Dissociation area: 6,068.06 Å2
Dissociation energy (ΔGdiss): 86.49 kcal/mol
Dissociation entropy (TΔSdiss): 29.16 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-150327

Macromolecules

Copper-containing nitrite reductase
Chains: A, B, C
Length: 340 amino acids
Theoretical weight: 37.06 KDa
Source organism: Achromobacter cycloclastes
UniProt:
  • Canonical: P25006 (Residues: 39-378; Coverage: 100%)
Gene name: nirK
Pfam:
InterPro:
CATH: Cupredoxins - blue copper proteins
SCOP: Multidomain cupredoxins
Copper-containing nitrite reductase in PDB entry 1nia, assembly 1, front view.
Copper-containing nitrite reductase in PDB entry 1nia, assembly 1, side view.
Copper-containing nitrite reductase in PDB entry 1nia, assembly 1, top view.
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