Synonym: XOD, Xanthine:oxygen oxidoreductase
CAS Number: 9002-17-9
EC Number: 232-657-6
Enzyme Commission (EC) Number: 1.17.3.2.
MDL Number: MFCD000821452
Analysis Note
Protein determined by biuret
Biochem/physiol Actions
Xanthine oxidase activity is inhibited by folic acid. 5
Preparation Note
Chromatographically purified
Unit Definition
One unit will convert 1.0 µmole of xanthine to uric acid per min at pH 7.5 at 25 °C. Approx. 50% of the activity is obtained with hypoxanthine as substrate.
Physical form
Suspension in 2.3 M (NH4)2SO4, 10 mM sodium phosphate buffer, pH 7.8, containing 1 mM EDTA and 1 mM sodium salicylate
Type: Grade III
Form: ammonium sulfate suspension
Foreign Activity: uricase =0.1% n
Storage Temp.: 2-8°C