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Catalase (CAT) 过氧化氢酶
- 临床检测用酶
The enzyme is useful for removal of hydrogen peroxide in clinical analysis.
由来 | bovine liver |
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系统名称 |
Hydrogen-peroxide : hydrogen-peroxide oxidoreductase |
EC编号 | 1.11.1.6 |
反应式 |
2H2 + O2→→→ O2 + 2H2O |
规格
Appearance | yellowish green to brown lyophilizate | |
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Activity | ≧12,000 U/mg | |
Stabilizer | lactitol | |
Storage condition | below -20℃ |
特性
Molecular weight | ca. 240 kDa (gel filtration) |
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Structure | 4 identical tetrahedrally arranged subunits of ca. 60 kDa each, 4 ferriprotoporphyrin groups per mole of enzyme |
pH Optimum | 6.5–8.0 |
pH Stability | 4.0–9.5 |
Optimum temperature | ca. 30℃ |
Thermal stability | below 55℃ |
Inhibitors | azide, cyanide, cyanogenbromide, hydroxylamine, ascorbate,nitrite, fluoride, acetate, formate, ethanol, methanol |
适用类型
The enzyme is useful for removal of hydrogen peroxide in clinical analysis.
参考文献
- Nicholls, P. and Schonbaum, G. R., “The Enzyme,” Vol. 8 (2nd ed.), Academic Press, New York and London, 1963, pp. 147–225.
- Bergmeyer, H. U., “Methods of Enzymatic Analysis,” Vol. 3 (3rd ed.), Verlag Chemie, Weinheim, Germany, 1983, pp. 273–286.
- 产品单页
- SDS