肌酸酶-11799142103

Creatinase 肌酸酶-11799142103
from microorganism, lyophilizate
Hydrolase for creatinine determination that catalyzes the conversion of creatine
to sarcosine and urea.
Application
Use Creatinase in diagnostic reagent for the determination of creatine in com-
bination with Creatinase, Catalog No. 11 799 142 103 and Sarcosine Oxidase,
Catalog No. 11 378 856 103.
Benefits
Rely on the proven diagnostic quality of this product.
EC 3.5.3.3
Specification
Appearance: White to slightly yellowish lyophilizate
Solubility: Clear, colorless solution in water (c=10 mg/ml)
pH value (c=10 mg/ml in water): 5.5-6.5
Activity (+25°C, creatine, POD/PAP method): ≥4 U/mg lyophilizate
Specific activity: ≥9 U/mg protein
Protein (Biuret): 0.3-0.5 mg/mg lyophilizate
Contaminants (expressed as percentage of Creatinase activity):
Creatininase: ≤0.01
Catalase: ≤2
Creatinine deaminase: ≤0.01
Proteases (casein/resorufin, 2 hours stress duration): ≤0.001
Contaminating oxidases (FOX): ≤0.001
Stability: At -15 to -25°C within specification range for 12 months.