ID 2.1.1.278 DE indole-3-acetate O-methyltransferase. AN IAA carboxylmethyltransferase. CA (indol-3-yl)acetate + S-adenosyl-L-methionine = methyl (indol-3- CA yl)acetate + S-adenosyl-L-homocysteine. CC -!- The enzyme is found in plants and is important for regulation of the CC plant hormone (indol-3-yl)acetate. CC -!- The product, methyl (indol-3-yl)acetate is inactive as hormone. CC -!- Formerly EC 2.1.1.n10. DR Q9FLN8, IAMT1_ARATH; Q0J998, IAMT1_ORYSJ; //