Cysteine transaminase

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Template:Enzyme In enzymology, a cysteine transaminase (EC is an enzyme that catalyzes the chemical reaction

L-cysteine + 2-oxoglutarate mercaptopyruvate + L-glutamate

Thus, the two substrates of this enzyme are L-cysteine and 2-oxoglutarate, whereas its two products are mercaptopyruvate and L-glutamate.

This enzyme belongs to the family of transferases, specifically the transaminases, which transfer nitrogenous groups. The systematic name of this enzyme class is L-cysteine:2-oxoglutarate aminotransferase. Other names in common use include cysteine aminotransferase, L-cysteine aminotransferase, and CGT. This enzyme participates in cysteine metabolism. It employs one cofactor, pyridoxal phosphate.


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