Glutamine Synthetase (GST)

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 GST be stored?

Please store at or below -20°C.

What is the isoelectric point of GST?

The isoelectric point is pH 6.5.

What stabilizers are used in GST?

Sucrose is used as a stabilizer.

How thermostable is GST?

It is stable in liquid form below 40°C (Fig.4).

What are the optimal pH and temperature for GST?

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

What is the molecular weight of GST?

The molecular weight is approximately 900 kDa (gel filtration), and it exhibits a multimeric structure composed of subunits of 57 kDa each (SDS-PAGE).

What are the main applications of GST?

It is useful for the determination and removal of ammonia in clinical analysis.

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