85-1349-80　Catalase, Suspension, Bovine 10ml　C2095

特徴

• Catalase is a hemoprotein containing four subunits which decomposes peroxide. Catalytic activity is present in nearly all animal cells and organs and in aerobic microorganisms.
• Activity:≥20,000 units/mg protein
• Unit Definition:1 unit decomposes 1umole of hydrogen peroxide/minute at 25°C, pH 7.0.
• Composition:4 subunits of equal size (MW 60,000-65,000)
• Quality Control:SDS-PAGE
• Handling:Contains thymol as a preservative. To remove thymol, measure desired amount of mixed suspension, centrifuge to collect enzyme crystals, remove supernatant. Resuspend crystals in one-half initial volume of water, respin. Discard wash supernatant and dissolve crystals in buffer of choice.
• Storage and Stability:May be stored at 4°C. For long-term storage, aliquot and store at 4°C. Do not freeze. Aliquots are stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer
• Protect from moisture.