Catalase

Source:
Bovine Liver
CAS:
9001-05-2
EC:
1.11.1.6

Catalase is a hemoprotein containing four subunits which decomposes peroxide.

Technical Notes: To remove thymol from Product Code: CTR, 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.

Stability/Storage: All preparations are stable for 12 months at 2-8°C. Lyophilized preparations should be protected from moisture. In addition the Worthington Product Code: CTR should not be stored in plastic.

Unit Definition
One Unit decomposes one micromole of hydrogen peroxide per minute at 25°C, pH 7.0.

Catalase Products

Description
Activity
Code
Cat. #
Price
Size
Description
Catalase, Suspension
Source:
Bovine Liver
A crystalline aqueous suspension of approximately 6 mg/ml containing thymol as a preservative.
Store at 2-8°C. DO NOT STORE IN PLASTIC: CONTAINS THYMOL.
Activity
≥20,000 units per mg protein
Code
CTR
Cat. #
LS001872
Description
Catalase, Filtered
Source:
Bovine Liver
Supplied as an aqueous solution of 2X crystallized catalase (Code: CTR without thymol) filtered through a 0.22 micron pore size membrane. Minimum of 30,000 units/ml; 10 ml/vial.
Store at 2-8°C. DO NOT FREEZE.
Activity
≥40,000 units per mg protein
Code
CTS
Cat. #
LS001896
Description
Catalase, Lyophilized
Source:
Bovine Liver
A partially purified, lyophilized powder.
Store at -20°C. PROTECT FROM MOISTURE.
Activity
≥3,000 units per mg protein
Code
CTL
Cat. #
LS001847