This gene encodes the enzyme that metabolizes thiopurine drugs via S-adenosyl-L-methionine as the S-methyl donor and S-adenosyl-L-homocysteine as a byproduct. Thiopurine drugs such as 6-mercaptopurine are used as chemotherapeutic agents. Genetic polymorphisms that affect this enzymatic activity are correlated with variations in sensitivity and toxicity to such drugs within individuals, causing thiopurine S-methyltransferase deficiency. Related pseudogenes have been identified on chromosomes 3, 18 and X.
Immunogen Information
Immunogen
Fusion protein of human TPMT
Swissprot
P51580
Synonyms
HGNC:12014S adenosyl L methionine thiopurine S methyltransferaseThiopurine methyltransferaseThiopurine S methyltransferaseThiopurine S-methyltransferaseTPMTTPMT