› 2aqs

X-ray diffraction
1.7Å resolution

CU/ZN superoxide dismutase from neisseria meningitidis K91E, K94E double mutant

Released:
DOI: 10.2210/pdb2aqs/pdb
PDB entry 2aqs coloured by chain, front view.
PDB entry 2aqs coloured by chain, side view.
PDB entry 2aqs 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

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-176807 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Superoxide dismutase [Cu-Zn] Chains: A, B
Molecule details ›
Chains: A, B
Length: 164 amino acids
Theoretical weight: 17.39 KDa
Source organism: Neisseria meningitidis
Expression system: Escherichia coli
UniProt:
  • Canonical: Q59623 (Residues: 23-186; Coverage: 100%)
Gene names: NMB1398, sodC
Sequence domains: Copper/zinc superoxide dismutase (SODC)
Structure domains: Superoxide dismutase, copper/zinc binding domain

Ligands and Environments

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

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P21
Unit cell:
a: 45.787Å b: 66.492Å c: 49.752Å
α: 90° β: 101.48° γ: 90°
R-values:
R R work R free
0.185 0.185 0.203
Expression system: Escherichia coli

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