Product name: 4-hydroxybenzoate, NADPH:oxygen oxidoreductase (3-hydroxylating)
EC 1.14.13.2
Appearance: Yellowish amorphous powder lyophilized
Activity: Grade III, 20 U/mg-solid or more (containing approx. 40% stabilizers)
Contaminants NADPH oxidase ≤ 1.0×10-1%
Stabilizers Sugars, FAD
Stability Stable at -20℃ for at least 12 months
Molecular weight 55,000~60,000
Michaelis constants 2.0×10-5 M (p-Hydroxybenzoate), 4.0×10-5M (NADPH)
Structure One mol of FAD per mol of enzyme
Inhibitors Ag+, Hg2+, PCMB, SDS
Optimum pH 7.7-7.9
Optimum temperature 35℃
pH Stability pH 5.0-7.5 (25℃, 72hr)
Thermal stability below 40℃ (pH 6.0, 15min)