› 2aqt

X-ray diffraction
1.8Å resolution

CU/ZN superoxide dismutase from neisseria meningitidis K91Q, K94Q double mutant

Released:
DOI: 10.2210/pdb2aqt/pdb
PDB entry 2aqt coloured by chain, front view.
PDB entry 2aqt coloured by chain, side view.
PDB entry 2aqt coloured by chain, top view.
Source organism: Neisseria meningitidis
Entry authors: DiDonato M, Kassmann CJ, Bruns CK, Cabelli DE, Cao Z, Tabatabai LB, Kroll JS, Getzoff ED

Function and Biology Details

Reaction catalysed: 
2 superoxide + 2 H(+) = O(2) + H(2)O(2)
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo hexamer
Assembly name:
PDBe Complex ID:
PDB-CPX-157589 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Superoxide dismutase [Cu-Zn] Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 164 amino acids
Theoretical weight: 17.39 KDa
Source organism: Neisseria meningitidis
Expression system: Escherichia coli
UniProt:
  • Canonical: P57005 (Residues: 23-186; Coverage: 100%)
Gene names: NMA1617, sodC
Sequence domains: Copper/zinc superoxide dismutase (SODC)
Structure domains: Superoxide dismutase, copper/zinc binding domain

Ligands and Environments

4 bound ligands:
Ligand CU1 3 x CU1
Ligand ZN 3 x ZN
Ligand CU 2 x CU
Ligand SO4 1 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: C2
Unit cell:
a: 98.209Å b: 64.464Å c: 85.051Å
α: 90° β: 128.33° γ: 90°
R-values:
R R work R free
0.185 0.185 0.215
Expression system: Escherichia coli

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