ID 2.1.1.49 DE amine N-methyltransferase. AN arylamine N-methyltransferase. AN nicotine N-methyltransferase. AN tryptamine N-methyltransferase. CA (1) a primary amine + S-adenosyl-L-methionine = a methylated primary CA amine + H(+) + S-adenosyl-L-homocysteine. CA (2) a secondary amine + S-adenosyl-L-methionine = a methylated secondary CA amine + H(+) + S-adenosyl-L-homocysteine. CA (3) a tertiary amine + S-adenosyl-L-methionine = a methylated tertiary CA amine + H(+) + S-adenosyl-L-homocysteine. CC -!- An enzyme of very broad specificity; many primary, secondary and CC tertiary amines can act as acceptors, including tryptamine, aniline, CC nicotine and a variety of drugs and other xenobiotics. CC -!- Formerly EC 2.1.1.81. DR O95050, INMT_HUMAN ; P40936, INMT_MOUSE ; Q5RFR7, INMT_PONAB ; DR O97972, INMT_RABIT ; //