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Literature summary for 1.11.1.6 extracted from

  • Alptekin, O.; Tuekel, S.; Yildirim, D.; Alagoez, D.
    Characterization and properties of catalase immobilized onto controlled pore glass and its application in batch and plug-flow type reactors (2009), J. Mol. Catal. B, 58, 124-131.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Glutaraldehyde the presence of trace amount of glutaraldehyde in immobilization medium causes the catalase activity to decline Bos taurus

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Bos taurus
-

Storage Stability

Storage Stability Organism
25°C, immobilized enzyme onto controlled pore glass, 77 days, 74% loss of activity Bos taurus
5 or 25°C, free enzyme, 11 days, complete loss of activity Bos taurus
5°C, immobilized enzyme onto controlled pore glass, 77 days, 23% loss of activity Bos taurus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
H2O2
-
Bos taurus O2 + H2O
-
?

Synonyms

Synonyms Comment Organism
H2O2:H2O2 oxidoreductase
-
Bos taurus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
free enzyme Bos taurus
35
-
immobilized catalase onto controlled pore glass Bos taurus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
25 35 high relative activity in the temperature range of 25-35°C Bos taurus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
35 50 the half-lives of free catalase at 35 and 50°C were 9.0 and 6.7 h, respectively and these correspondingly are 70.0 and 9.7 h for immobilized catalase onto controlled pore glass Bos taurus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
free and immobilized catalase onto controlled pore glass Bos taurus

pH Stability

pH Stability pH Stability Maximum Comment Organism
9
-
immobilized catalase onto controlled pore glass retains 80% of its maximum activity at pH 9.0, while free catalase retains only 40% of its maximum activity at pH 9.0 Bos taurus