› 1gn3

X-ray diffraction
4Å resolution

H145Q mutant of Mycobacterium tuberculosis iron-superoxide dismutase.

Released:
DOI: 10.2210/pdb1gn3/pdb
PDB entry 1gn3 coloured by chain, front view.
PDB entry 1gn3 coloured by chain, side view.
PDB entry 1gn3 coloured by chain, top view.
Source organism: Mycobacterium tuberculosis
Primary publication:
Engineering a change in metal-ion specificity of the iron-dependent superoxide dismutase from Mycobacterium tuberculosis-- X-ray structure analysis of site-directed mutants.
Bunting K, Cooper JB, Badasso MO, Tickle IJ, Newton M, Wood SP, Zhang Y, Young D
Eur J Biochem 251 795-803 (1998)
PMID: 9490054

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 domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-161470 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Superoxide dismutase [Fe] Chains: A, B
Molecule details ›
Chains: A, B
Length: 207 amino acids
Theoretical weight: 23.05 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Mycolicibacterium vaccae
UniProt:
  • Canonical: P9WGE7 (Residues: 1-207; Coverage: 100%)
Gene names: MTCY01A6.22c, Rv3846, sod, sodA, sodB
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand FE 2 x FE
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ENRAF-NONIUS FR591
Spacegroup: P3121
Unit cell:
a: 103.88Å b: 103.88Å c: 69.92Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.168 0.168 0.184
Expression system: Mycolicibacterium vaccae

Quick links

Citations

2 review citations

Superoxide dismutases and superoxide reductases.
Sheng et al. (2014)
1 more

2 mentions without citation

In silico identification of epitopes in Mycobacterium avium subsp. paratuberculosis proteins that were upregulated under stress conditions.
Gurung et al. (2012)
1 more