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

BRENDA support

Literature summary for 1.15.1.1 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

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

Metals/Ions

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

Molecular Weight [Da]

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

Organism

Organism UniProt Comment Textmining
Pseudoalteromonas haloplanktis P84612
-
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
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)

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

Subunits

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

Temperature Optimum [°C]

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5 10.5
-
Pseudoalteromonas haloplanktis