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Literature summary for 1.15.1.1 extracted from

  • Yamakura, F.
    Purification, crystallization and properties of iron-containing superoxide dismutase from Pseudomonas ovalis (1976), Biochim. Biophys. Acta, 422, 280-294.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
8-Hydroxyquinoline-5-sulfonate Fe-SOD, slightly stimulating, depending on the assay method Pseudomonas putida
o-phenanthroline Fe-SOD, slightly stimulating Pseudomonas putida
o-phenanthroline depending on assay method Pseudomonas putida

Crystallization (Commentary)

Crystallization (Comment) Organism
Fe-SOD, dialysis against 55% saturated ammonium sulfate solution, pH 4.5, 1 week at 2°C under reduced pressure Pseudomonas putida

Inhibitors

Inhibitors Comment Organism Structure
EDTA no inhibition Pseudomonas putida
H2O2 Fe-SOD Pseudomonas putida
additional information no inhibition by N-ethylmaleide Pseudomonas putida
o-phenanthroline depending on assay method; Fe-SOD Pseudomonas putida

Metals/Ions

Metals/Ions Comment Organism Structure
Iron 1.0-1.45 mol per mol of enzyme Pseudomonas putida

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
19500
-
2 * 19500, Fe-SOD, SDS-PAGE Pseudomonas putida
40000
-
Fe-SOD, gel filtration, sedimentation analysis Pseudomonas putida

Organism

Organism UniProt Comment Textmining
Pseudomonas putida
-
Fe-SOD
-
Pseudomonas putida Fe-SOD
-
Fe-SOD
-

Purification (Commentary)

Purification (Comment) Organism
Fe-SOD Pseudomonas putida

Reaction

Reaction Comment Organism Reaction ID
2 superoxide + 2 H+ = O2 + H2O2 amino acid composition, comparison Pseudomonas putida

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Pseudomonas putida

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
O2- + H+
-
Pseudomonas putida O2 + H2O2
-
?
O2- + H+
-
Pseudomonas putida Fe-SOD O2 + H2O2
-
?

Subunits

Subunits Comment Organism
dimer 2 * 19500, Fe-SOD, SDS-PAGE Pseudomonas putida