General description

Native xanthine oxidase from buttermilk. Complex metalloprotein that catalyzes oxidative hydroxylation of a variety of aromatic heterocycles and simple aldehydes. Has an optimal pH of 4.6 and a pI of 5.3-5.4. Catalyzes the oxidation of xanthine to uric acid.

Native xanthine oxidase from buttermilk. Complex metalloprotein that catalyzes oxidative hydroxylation of a variety of aromatic heterocycles and simple aldehydes. Catalyzes the oxidation of xanthine to uric acid.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Other Notes

McWhirter, R.B. and Hille, R. 1991. J. Biol. Chem.266, 23724.

Packaging

10, 50 u in Glass bottle

Please refer to vial label for lot-specific concentration.

Physical form

Crystalline suspension in 60% ammonium sulfate.

Unit Definition

One unit is defined as the amount of enzyme that will convert 1.0 µmol of xanthine to uric acid per min at 25°C, pH 7.5.

Warning

Toxicity: Standard Handling (A)