TPMT (Thiopurine S-methyltransferase)

FEATURES

FAMILY

DESCRIPTION

Also known as TPMT_HUMAN, TPMT. Catalyzes the S-methylation of thiopurine drugs such as 6-mercaptopurine (also called mercaptopurine, 6-MP or its brand name Purinethol) and 6-thioguanine (also called tioguanine or 6-TG) using S-adenosyl-L-methionine as the methyl donor (PubMed:657528, PubMed:18484748). TPMT activity modulates the cytotoxic effects of thiopurine prodrugs. A natural substrate for this enzyme has yet to be identified. Monomer.

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EXTERNAL LINKS

UNIPROT
ENZYME CLASSIFICATION

TPMT

Thiopurine S-methyltransferase

MOLECULAR SYNOPSIS STRUCTURAL LIGANDABILITY

TPMT

Molecular Synopsis