Cat No.
DIA-173
Description
The enzyme urate oxidase (UO), or uricase or factor-independent urate hydroxylase, absent in humans, catalyzes the oxidation of uric acid to 5-hydroxyisourate: Uric acid + O2 + H2O → 5-hydroxyisourate + H2O2 → allantoin + CO2
Abbr
UO (Bacillus fastidiosus)
Alias
UO; uricase
Species
Bacillus fastidiosus
Form
Freeze dried powder
Enzyme Commission Number
EC 1.7.3.3
Bio-activity
15 U/mg
CAS No.
9002-1 2-4
Appearance
White to off-white powder
pH Stability
5.5-10.0 (25°C for 20 hrs)
Unit Definition
One unit will oxidize one micromole of uric acid at pH8.5 at 25°C.
Optimum pH
7
Optimum temperature
37°C
Thermal stability
Stable at 50°C and below (pH 7.0, 15 mins)
Inhibitors
Ag+, Hg2+
Synonyms
urate oxidase; uric acid oxidase; uricase; uricase; urate: oxygen oxidoreductase; EC 1.7.3.3; uricase II; UO
