Description
SPECIFICATIONS:
EC 1.7.3.3
Product name: Urate: oxygen oxidoreductase
Appearance: white amorphous powder lyophilized
Activity: Grade II, 1.5 U/mg-solid or more
Contaminants: Catalase ≤ 1.0%
Stabilizers: Borate, EDTA, non-ionic detergents
Stability: Stable at – 20 °C for at least 12 months
Molecular weight: Approx. 150,000
Structure: 4 subunits per molecule
Isoelectric point 4.7
Michaelis constants: 1.36 × 10-5 M (Uric acid)
Inhibitors: Ag+, Hg++
Optimum pH: 8.5
Optimum temperature: 45℃
pH Stability: pH 6.0−9.5 (25℃, 20hr)
Thermal stability: Below 60 ℃ (pH 8.0, 10min)