- Pantyhose / Tights[4]
- Socks[10]
- Stockings[1]
- Catalyst[6]
- Chemical Auxiliary Agent[9]
- Food Additives[3]
- Other Lab Supplies[4]
- Organic Intermediate[9]
- Swelling[1]
- Pharmaceutical[1]
- Sweatband[6]
- Spandex Yarn[4]
XANTHINE OXIDASE
It oxidates hypoxanthine or xanthine to uric acid, used for assay of inorganic phosphate, neucleotidase and adenosine deaminase.
Xanthine Oxidase can oxidate hypoxanthine or xanthine to uric acid. It’s useful for the determination of inorganic phosphate, 5’-neucleotidase and adenosine deaminase when coupled with PNP and Uricase.
Product Description
Appearance: Reddish brown amorphous powder, lyophilized
Source: Microorganism
Enzyme Comission Number:EC 1.1.3.22
CAS Number: 9002-17-9
Storage Temperature -20°C
Specific activity: ≥ 90U/mg protein
Unit definition:One unit will cause the formation of one micromole of uric acid per min at pH 7.5 at 37°C.
Properties
Molecular Weight:160 kDa (gel)
Isoelectic point: 4.0
Michaelis constant: 1.4×10-4M (Xanthine)
Optimum pH: 7.0~ 7.5
Optimum temperature: 55°C
pH Stability: 6.0~9.5
Thermal Stability: < 55°C (pH7.5, 20min)
Inhibitors: Ag+,Hg2+
Preparation Instructions
The enzyme is reconstituted in 50mM potassium phosphate buffer, pH 7.5 for activity assay.
