Term Name:	thiopurine S-methyltransferase activity
Synonyms:	6-thiopurine transmethylase activity, mercaptopurine methyltransferase activity, S-adenosyl-L-methionine:thiopurine S-methyltransferase activity, thiopurine methyltransferase activity, TPMT
Definition:	Catalysis of the reaction: S-adenosyl-L-methionine + a thiopurine = S-adenosyl-L-homocysteine + a thiopurine S-methylether.
Ontology:	GO: Molecular Function [GO:0008119]    QuickGO    AmiGO