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Sarcosine Oxidase (SOD-TE) 肌氨酸氧化酶
- 临床检测用酶
The enzyme is useful for the determination of creatinine and creatine in clinical analysis.
| 由来 | recombinant E. coli |
|---|---|
| 系统名称 |
Sarcosine : oxygen oxidoreductase (demethylating) |
| EC编号 | 1.5.3.1 |
| 反应式 |
Sarcosine + H2O + O2 →→→ Glycine + Formaldehyde + H2O2 |
规格
| Appearance | yellow lyophilizate | |
|---|---|---|
| Activity | ≧20 U/mg | |
| Contaminants | Creatininase <1.0×10-2 U/U% | |
| Stabilizer | sucrose | |
| Storage condition | below -20℃ protected from light |
特性
| Molecular weight | ca. 49 kDa (gel filtration) |
|---|---|
| Structure | monomer of 43 kDa (SDS-PAGE) |
| one mole of FAD per mole of enzyme | |
| Isoelectric point | 5.3 |
| Michaelis constant | 4.7×10-3M (sarcosine) |
| pH Optimum | 6.7–9.5 |
| pH Stability | 6.5–10.5 |
| Optimum temperature | 50℃ |
| Thermal stability | below 55℃ |
| Stability (liquid form) | stable at 37℃ for at least two weeks |
| Stability (powder form) | stable at 30℃ for at least one month |
| Inhibitors | Zn2+，Cu2+，Hg2+，Ag+ |
适用类型
The enzyme is useful for the determination of creatinine and creatine in clinical analysis.
参考文献
Suzuki, M. and Yoshida, M. (1984)
A new enzymatic determination of serum creatine
Clinica Chimica Acta, 140, 289–294.
Suzuki, M. and Yoshida, M. (1984)
A new enzymatic serum creatinine measurement based on an endogenous creatine-eliminating system
Clinica Chimica Acta, 143, 147–155.
- 产品单页
- SDS