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Sarcosine Oxidase (SOD-TE) 肌氨酸氧化酶
- 臨床檢測(cè)用酶
The enzyme is useful for the determination of creatinine and creatine in clinical analysis.
由來 | recombinant E. coli |
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系統(tǒng)名稱 |
Sarcosine : oxygen oxidoreductase (demethylating) |
EC編號(hào) | 1.5.3.1 |
反應(yīng)式 |
Sarcosine + H2O + O2 →→→ Glycine + Formaldehyde + H2O2 |
規(guī)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) |
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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+ |
適用類型
The enzyme is useful for the determination of creatinine and creatine in clinical analysis.
參考文獻(xiàn)
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.
- 產(chǎn)品單頁
- SDS