If you need bigger quantities than indicated on the web site, please contact us for a personal offer.
Appearance Yellowish amorphous powder lyophilized
Activity Grade Ⅲ10U/mg-solid or more (containing approx. 20% of
stabilizers)
Contaminant Catalase ≤1.0×10-2%
Stabilizers EDTA, BSA ,amino acids, (glycinesodium glutamate etc.)
Stability Stable at - 20℃ for at least 6 months
Molecular weight approx. 95,000
Isoelectric point 4.1±0.1
Michaelis constants 2.84×10-3 M (Choline), 5.33×10-3M(Betaine aldehyde)
Structure One mol of FAD is covalently bound to mol of the enzyme)
Inhibitors p-Chloromercuribenzoate, Cu-2+ Co2+, Hg2+, Ag+
Optimum pH 8.0-8.5
Optimum temperature 40-45℃
pH Stability pH 7.0-9.0 (30℃, 2 hr)
Thermal stability below 37℃ (pH 7.5, 10min)
EC # 1.1.3.17