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Enzymes for Research, Diagnostic and Industrial Use

Xanthine Oxidase from Arthrobacter sp.

Cat No.
NATE-1719
Description
Xanthine oxidase is a form of xanthine oxidoreductase, a type of enzyme that generates reactive oxygen species. These enzymes catalyze the oxidation of hypoxanthine to xanthine and can further catalyze the oxidation of xanthine to uric acid. These enzymes play an important role in the catabolism of purines in some species, including humans.
Abbr
XOD (Arthrobacter sp.)
Source
Arthrobacter sp.
Form
Reddish brown amorphous powder, lyophilized
Enzyme Commission Number
EC 1.17.3.2
Activity
>50U/mg protein
CAS No.
9002-17-9
Molecular Weight
160 kDa (gel)
Isoelectric point
4
pH Stability
6.0~9.5(30℃,16hr)
Michaelis Constant
1.4×10^-4 M (Xanthine)
Unit Definition
One unit will convert one micromole of Xanthine to Uric acid per min at pH 7.5 at 37℃.
Optimum pH
7.0~ 7.5
Optimum temperature
55℃
Thermal stability
< 55℃ (pH 7.5, 20min)
Storage
Store at -20°C.
Inhibitors
Ag+, Hg2+
Synonyms
EC 1.17.3.2; Xanthine oxidase; XO; XAO
Notes
INTENDED FOR RESEARCH USE ONLY, NOT FOR USE IN HUMAN, THERAPEUTIC OR DIAGNOSTIC APPLICATIONS.
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