Histamine N-Methyltransferase

Histamine N Methyltransferase; Methyltransferase, Histamine; N-Methyltransferase, Histamine
An enzyme that catalyzes the transfer of a methyl group from S-adenosylmethionine to histamine, forming N-methylhistamine, the major metabolite of histamine in man. EC 2.1.1.8.