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Literature summary for 1.11.1.6 extracted from

  • Ekanayake, P.M.; De Zoysa, M.; Kang, H.S.; Wan, Q.; Jee, Y.; Lee, Y.H.; Kim, S.J.; Lee, J.
    Cloning, characterization and tissue expression of disk abalone (Haliotis discus discus) catalase (2008), Fish Shellfish Immunol., 24, 267-278.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli as fusion protein with maltose binding protein Haliotis discus discus

Crystallization (Commentary)

Crystallization (Comment) Organism
homology modeling using crystal structures of human and bovine catalases Haliotis discus discus

Protein Variants

Protein Variants Comment Organism
additional information both native protein and fusion protein with maltose binding protein show the same specific activity Haliotis discus discus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
56000
-
x * 56000, calculated, x * 98.5, SDS-PAGE of fusion protein with maltose binding protein Haliotis discus discus

Organism

Organism UniProt Comment Textmining
Haliotis discus discus A5XB38
-
-

Source Tissue

Source Tissue Comment Organism Textmining
adductor constitutive expression for the first 3 h post injection of H2O2 Haliotis discus discus
-
digestive gland constitutive expression for the first 3 h post injection of H2O2 Haliotis discus discus
-
gill constitutive expression for the first 3 h post injection of H2O2 Haliotis discus discus
-
gonad constitutive expression for the first 3 h post injection of H2O2 Haliotis discus discus
-
hemocyte constitutive expression for the first 3 h post injection of H2O2 Haliotis discus discus
-
mantle constitutive expression for the first 3 h post injection of H2O2 Haliotis discus discus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
30000
-
37°C, pH 5.0 Haliotis discus discus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
H2O2
-
Haliotis discus discus O2 + H2O
-
?

Subunits

Subunits Comment Organism
? x * 56000, calculated, x * 98.5, SDS-PAGE of fusion protein with maltose binding protein Haliotis discus discus

Synonyms

Synonyms Comment Organism
Ab-catalase
-
Haliotis discus discus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30 37
-
Haliotis discus discus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
37 70 slight decrease in activity compared to temperature optimum Haliotis discus discus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
1 h, 60% residual activity Haliotis discus discus
50
-
rapid inactivation above Haliotis discus discus
70
-
20 min, complete loss of activity Haliotis discus discus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
10.5
-
-
Haliotis discus discus

pH Range

pH Minimum pH Maximum Comment Organism
4.5 10.5 above 90% of maximum activity Haliotis discus discus

Cofactor

Cofactor Comment Organism Structure
heme deduced from sequence Haliotis discus discus
NADPH deduced from sequence Haliotis discus discus