Role of Catalase in Oxidative Stress- and Age-Associated Degenerative Diseases

Table 2

Physicochemical characteristics of catalase from various sources.

Organisms/organ/organelle	Specific activity (μmol/min/mg)	Optimum temperature (°C)/pH	Inhibitors	value (mM)	Turnover number	Mol. wt.	Reference
Homo sapiens erythrocyte (cytoplasm), kidney, and liver (mitochondria, peroxisome)	273800	37°C/6.8-7.5	3-Amino-1-H-1,2,4-triazole	80	-	-	[159, 160]
Bos taurus liver	91800	25°C-35°C/6-7.5	3-Amino-1-H-1,2,4-triazole	28.6	-	-	[161–163]
Oryza sativa	-	25°C/6-10	Hydrogen peroxide (above 60 mM)	100	80000	234000	[164, 165]
Vigna mungo seedling	25700	40°C/7	Cu^2+, Fe^2+, EDTA, NaN3	16.2	-		[166]
Escherichia coli	20700	22°C/6-8	2-Mercaptoethanol	64	16300	337000	[159, 167]
Saccharomyces cerevisiae	116100	-	NaCN (35 mM), hydroxylamine	125	-		[159]