ID 2.1.1.340 DE 3-aminomethylindole N-methyltransferase. CA 3-(aminomethyl)indole + 2 S-adenosyl-L-methionine = gramine + 2 H(+) + CA 2 S-adenosyl-L-homocysteine. CC -!- The enzyme, characterized from Hordeum vulgare (barley), catalyzes CC two successive N-methylation reactions during the biosynthesis of CC gramine, a toxic indole alkaloid. DR Q96565, AMNMT_HORVV; //