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| Product Name | Xanthine Oxidase Enzyme for Uric Acid Metabolism Research >=5 U/mg 160 kDa Isoelectric Point 4.1 CAS 9002-17-9 |
| Catalog No. | IEC-HMM-0290 |
| Description | Xanthine oxidase from Alta DiagnoTech catalyzes the oxidation of hypoxanthine to xanthine and xanthine to uric acid. It is used in purine metabolism research and as a component of analytical systems detecting xanthine-derived metabolites. |
| Intended Use | Enzyme raw material for purine metabolism studies, uric acid research, and related diagnostic development. |
| Principle / Technology | Oxidizes hypoxanthine and xanthine to uric acid with reduction of molecular oxygen to hydrogen peroxide or superoxide. |
| Detection Method | Spectrophotometric, fluorometric, or amperometric H2O2 detection. |
| Sample Type | Serum, plasma, research samples. |
| Performance Range / Specifications | Specific activity >=5.0 U/mg. Molecular weight approximately 160 kDa. Isoelectric point 4.1. |
| Components / Formulation | Xanthine oxidase lyophilized powder. |
| Storage Conditions | -20°C. |
| Shelf Life | Stable for at least 12 months at -20°C. |
| Package Specifications | 1 g per bottle. |
| Product Form | Brown amorphous powder. |
| Activity / Unit Definition | >=5.0 U/mg |
| Molecular Weight | Approximately 160 kDa |
| Source / Origin | Microbial fermentation. |
| pH Range / Optimal pH | Optimal pH 8.0; stable between pH 6.5-10.0 at 25°C for 20 hours. |
| Shipping Conditions | Cold chain shipment. |
| Expiration Date / Stability | -20°C stable for one year. |
| Appearance | Brown amorphous powder. |
| CAS Number | 9002-17-9 |
| Isoelectric Point | 4.1 |
| Inhibitors | Inhibited by Ag+, Hg2+, Cd2+, urea, cyanide, phosphate and chloride ions. |
| Optimal Temperature | >45°C. |
| Thermal Stability | Stable below 55°C. |
| Handling Precaution | Stabilized by salicylate, cysteine, histamine and EDTA; handle with care to avoid oxidation. |
| Stabilizer | Salicylate, cysteine, histamine and EDTA stabilize the enzyme. |
For research use only, not for clinical use.
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