C100

Sigma

 

Catalase from bovine liver

aqueous suspension, 40,000-60,000 units/mg protein (E1%/405)

Synonym:H2O2:H2O2 oxidoreductase
CAS Number:9001-05-2
Enzyme Commission (EC) Number:1.11.1.6   ( BRENDA | IUBMB )
EC Number:232-577-1
MDL number:MFCD00081483

Description

Frequently Asked QuestionsLive Chat and Frequently Asked Questions are available for this Product.
Analysis NoteProtein determined by UV absorbance.
Biochem/physiol ActionsActivates the decomposition of hydrogen peroxide, Natural antioxidant used to study roles of reactive oxygen species in gene expression and apoptosis.
CautionFreezing of solutions is not recommended.
Preparation Note2× crystallized
Unit DefinitionOne unit will decompose 1.0 μmole of H2O2 per min at pH 7.0 at 25 °C, while the H2O2 concentration falls from 10.3 to 9.2 mM, measured by the rate of decrease of A240.
Physical formSuspension in water containing 0.1% thymol

Properties

formaqueous suspension
mol wttetramer mol wt ~250 kDa
isoelectric point5.4
storage temp.2-8°C

Safety

Safety Statements23-24/25
WGK Germany1
RTECSFI4378000

Related Products

InhibitorA8056, 3-Amino-1,2,4-triazole

References

MerckMerck 13,1910