Description
SPECIFICATIONS:
EC 1.13.12.4
Product name: L-Lactate: oxygen oxidoreductase
Appearance: Yellowish amorphous powder, lyophilized
Molecular weight: approx. 160,000 (gel filtration)
Activity: > 80 U/mg solid or more
Contaminants:
- Pyruvate oxidase: < 0.001 %
- Uricase: < 0.001 %
- Glucose oxidase: < 0.001 %
- Cholesterol oxidase: < 0.001 %
Stability: Stable at – 20 °C for at least 12 months
Inhibitors: Fe+++, SDS
Michaelis constant: L-lactate: 1 x 10-3 M
Isoelectric point: 4.3 + 0.2
Optimum pH: 7.5
Optimum temperature: 35 – 40 ℃
pH Stability: pH 4.0 – 9.8 (25°C, 16h)
Thermal stability: Below 50 ℃ (pH 7.0, 10 min)