Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary extracted from

  • Castellano, I.; Di Maro, A.; Ruocco, M.R.; Chambery, A.; Parente, A.; Di Martino, M.T.; Parlato, G.; Masullo, M.; De Vendittis, E.
    Psychrophilic superoxide dismutase from Pseudoalteromonas haloplanktis: biochemical characterization and identification of a highly reactive cysteine residue (2006), Biochimie, 88, 1377-1389.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.15.1.1 H2O2 half-life of 22 min both in absence or presence of 2-mercaptoethanol Pseudoalteromonas haloplanktis
1.15.1.1 NaN3 50% inhibition at 6.9 mM in absence, at 9.0 mM in presence of 2-mercaptoethanol Pseudoalteromonas haloplanktis
1.15.1.1 peroxynitrite 50% inhibition at 0.032 mM in absence, at 0.153 mM in presence of 2-mercaptoethanol Pseudoalteromonas haloplanktis

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.15.1.1 Iron 0.75 atoms per subunit Pseudoalteromonas haloplanktis
1.15.1.1 additional information protein contains no manganese Pseudoalteromonas haloplanktis

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.15.1.1 21251
-
 2 * 21251, mass spectrometry, 2 * 22000, SDS-PAGE Pseudoalteromonas haloplanktis
1.15.1.1 22000
-
 2 * 21251, mass spectrometry, 2 * 22000, SDS-PAGE Pseudoalteromonas haloplanktis
1.15.1.1 45000
-
 non-reducing SDS-PAGE Pseudoalteromonas haloplanktis
1.15.1.1 46000
-
 gel filtration Pseudoalteromonas haloplanktis

Organism

EC Number Organism UniProt Comment Textmining
1.15.1.1 Pseudoalteromonas haloplanktis P84612
-
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.15.1.1 additional information
-
 specific activity is 14000 U per mg protein and mol Fe, and 10000 U per mg protein and mol Fe in presence of 2-mercaptoethanol. Specific activity shows little variation between 5°C and 25°C Pseudoalteromonas haloplanktis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.15.1.1 O2- + H+
-
 Pseudoalteromonas haloplanktis O2 + H2O2
-
 ?

Subunits

EC Number Subunits Comment Organism
1.15.1.1 dimer 2 * 21251, mass spectrometry, 2 * 22000, SDS-PAGE Pseudoalteromonas haloplanktis

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.15.1.1 5 25 no data available above or below Pseudoalteromonas haloplanktis

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.15.1.1 5.5 10.5
-
 Pseudoalteromonas haloplanktis