Merck
All Photos(1)

219008

Sigma-Aldrich

Catalase, Human Erythrocytes

Catalase from human erythrocytes, CAS 9001-05-2. Composed of four identical subunits of ~60 kDa each.

Synonym(s):
Catalase, Human Erythrocytes
CAS Number:
Enzyme Commission number:
MDL number:

Quality Level

assay

≥95% (SDS-PAGE)

form

liquid

specific activity

≥50,000 units/mg protein

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
avoid repeated freeze/thaw cycles

shipped in

wet ice

storage temp.

−20°C

General description

Catalase, along with superoxide dismutase and glutathione peroxidase, controls the levels of oxygen-derived free radicals in mammalian cells. Together these molecules may function as a somatic oxidant defense. Prevents apoptosis in cultured rat ovarian follicles.

Packaging

1 mg in Plastic ampoule
Please refer to vial label for lot-specific concentration.

Warning

Toxicity: Standard Handling (A)

Unit Definition

One unit is defined as the amount of enzyme that will decompose 1.0 µmol H₂O₂ per min at 25°C, pH 7.0.

Physical form

In 50 mM Tris, pH 8.0.

Preparation Note

Prepared from blood that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.

Reconstitution

Following initial thaw, aliquot and freeze (-20°C).

Other Notes

Tilly, J.L., and Tilly, K.I. 1995. Endocrinology136, 242.
Bonaventura, J., et al. 1972. Arch. Biochem. Biophys.150, 606.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Quality

Enter Lot Number to search for Certificate of Quality (COQ).

More Documents

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service