All products have special prices for bulk purchase, please contact us for more details if required.

Cat. No.: COD-10 (for 10KU)

Cat. No.: COD-100 (for 100KU)

Description

CAS：9028-76-6

Cholesterol Oxidase is useful for the enzymatic determination of total cholesterol, HDL-C, and LDL-C when coupled with cholesterol esterase.

Specification

• Appearance: Yellow amorphous powder, lyophilized 
• Protein purity: ≥90% (from SDS-PAGE) 
• Activity: ≥8 U/mg solid
• Catalase: ≤0.001%
• Cholesterol esterase: ≤0.01%
• Glucose oxidase: ≤0.01%
• ATPase: ≤0.005%

Properties

• EC number: 1.1.3.6 (Recombinant from microorganism) 
• Molecular weight: 60 kDa (SDS-PAGE)
• Isoelectric point: 5.6 
• Michaelis constants: 3.3×10^-4 M (Cholesterol)
• Inhibitors: SDS, Ag⁺, Zn²⁺, Hg²⁺ 
• Optimum pH: 7.0 
• Optimum temperature: 50°C
• pH stability: pH 5.5-10 (25°C, 16 h) 
• Thermal stability: Below 40°C (pH 7.0, 30 min) 
• Stabilizers: BSA and non-ionic surfactants

Storage

Store at -25 ～-15°C for up to 12 months. Avoid repeated freezing and thawing.