xanthine oxidase

Xanthine oxidase is responsible for converting purines into uric acid during their breakdown. Deficiency or inhibition of the enzyme results in lowered uric acid levels in the blood. What is xanthine oxidase? Xanthine oxidase is an enzyme that initiates (catalyzes) the reaction of hypoxanthine over xanthine to uric acid. It contains a non-protein moiety as … Xanthine Oxidase: Function & Diseases