Term Name:	histamine N-methyltransferase activity
Synonyms:	histamine 1-methyltransferase activity, histamine methyltransferase activity, histamine-methylating enzyme, imidazolemethyltransferase activity, S-adenosyl-L-methionine:histamine N-tele-methyltransferase activity, S-adenosylmethionine-histamine N-methyltransferase activity
Definition:	Catalysis of the reaction: S-adenosyl-L-methionine(1+) + histamine = N(tau)-methylhistamine + S-adenosyl-L-homocysteine + H+.
Ontology:	GO: Molecular Function [GO:0046539]    QuickGO    AmiGO