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Alkaline Phosphatase (ALP) 碱性磷酸酶
- 临床检测用酶
The enzyme is widely used as a marker in ALP based immunoassay.
| 由来 | calf intestinal mucosa |
|---|---|
| 系统名称 |
Orthophosphoric-monoester phosphohydrolase (alkaline optimum) |
| EC编号 | 3.1.3.1 |
| 反应式 |
An orthophosphoric monoester + H2O →→→ An alcohol + Orthophosphate |
规格
| Appearance | clear and almost colorless liquid | |
|---|---|---|
| Activity | ≧100,000 DEA U/mL | |
| Specific activity | ≧6,000 DEA U/mg protein | |
| Protein | 10–20 mg protein/mL, Biuret | |
| Stabilizer | glycerol | |
| Storage condition | at 2∼7℃ (do not freeze) |
特性
| Molecular weight | ca. 140 kDa (gel filtration) |
|---|---|
| pH Optimum | 9.5–10.0 |
| pH Stability | 6.5–11.0 |
| Optimum temperature | 50℃ |
| Thermal stability | below ca. 40℃ |
| Stability (liquid form) | stable at 37℃ for at least four weeks |
| Stability (liquid form) | stable at 5℃ for at least two years |
| Activators | Mg2+, Tris buffer, diethanolamine |
| Inhibitors | inorganic phosphate, ethylenediaminetetraacetic acid (EDTA) |
适用类型
The enzyme is widely used as a marker in ALP based immunoassay.
参考文献
- O’Sullivan, M. J. et al., Anal. Biochem., 100, 100–108 (1979).
- Bergmeyer, H. U., “Methods of Enzymatic Analysis,” Vol. 2 (3rd ed.), Verlag Chemie, Weinheim, Germany, 1983, pp. 269–270.
- Crowther, J. R., “ELISA: Theory and Practice,” Humana Press, New York, 1995.
- Price, C. P. and Newman, D. J., “Principles and Practice of Immunoassay,” Macmillan Press, London, 1997.
- 产品单页
- SDS