Xanthine Oxidase microbial lyophilized powder, ≥7 units/mg solid Sigma X2252
По запросу
- Производитель: Sigma
- Каталожный номер:
X2252 - CAS номер : 9002-17-9
Application
This enzyme is useful for enzymatic determination of inorganic phosphorus, 5′-nucleotidase and adenosine deaminase when coupled with Purine-nucleoside phosphorylase (PNP-301) and uricase (UAO-201, UAO-211).
Biochem/physiol Actions
Also contains proteolytic activity.
Packaging
25, 100 units in glass bottle
Unit Definition
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.
Physical form
Lyophilized powder containing BSA and sodium glutamate as stabilizers
General description
Allopurinol is a synthetic drug show to inhibit xanthine oxidase. 1
Physical properties
Inhibitors: Reducing agents, Hg++, Ag+,MIA
Optimum pH: 7.5 - 8.0
Optimum temperature: 65oC
pH Stability: pH 6.5 - 9.0 (25oC, 15hr)
Thermal stability: below 55oC (pH 8.0, 30min)
Характеристики реактива | |
storage temp. | −20°C |