Creatininase (C1-E)

Frequently asked questions

Where can I get Safety Data Sheet (SDS) of products?

SDS and specification documents are available on each product page. They are also available from HERE. ⇒

Enzymes for Clinical Chemistry

What precautions should be taken when handling the product after opening?

To avoid moisture absorption of the enzyme powder, please allow it to return to room temperature in a sealed state before use. (Recommended conditions: around 25°C, humidity below 55%)

How should C1-E be stored?

Please store at or below -20°C.

What stabilizers are used in C1-E?

Sucrose is used as a stabilizer.

How thermostable is C1-E?

It is stable in liquid form below 60°C (Fig.4) and remains stable at 37°C for at least two weeks (Fig.5). In powder form, it remains stable at 30°C for at least one month (Fig.6).

What are the optimal pH and temperature for C1-E?

The optimal pH is 6.5–7.0, and the optimal temperature is 60–65°C.

What is the molecular weight of C1-E?

The molecular weight is approximately 170 kDa (gel filtration), and it exhibits a hexameric structure composed of subunits of 28 kDa each (SDS-PAGE).

What are the main applications of C1-E?

It is useful for the determination of creatinine in clinical analysis.

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