English name : Xanthine Oxidase from bovine milk; XOD
Level : BR
Type : Grade I
Vitality : 0.4 ~ 1.0 units / mg protein
Activity was defined :.. 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
Characters : ammonium sulfate suspension can be dissolved in water is widely present in milk, liver, small intestine of cattle and bacteria and other biological resources, mainly extracted from the milk optimum pH was 8.3, pI5.3 ~ 5.4, mainly. inhibitors Ag +, Hg2 +, Cd2 + and urea, cyanide, phosphate and chloride, the main stabilizers salicylates, cysteine , histidine and Virgin acid salts.
Uses: It is a catalytic biochemical studies of xanthine, hypoxanthine generate uric acid enzyme, it is often measured as a tool enzyme xanthine, hypoxanthine, inosine, guanine, guanosine, etc. used .
Save : 2 ~ 8 ℃