label: trans-aconitate 3-methyltransferase activity
label_lc: trans-aconitate 3-methyltransferase activity
description: "Catalysis of the reaction: S-adenosyl-L-methionine(1+) + trans-aconitate = (E)-2-(methoxycarbonylmethyl)but-2-enedioate + S-adenosyl-L-homocysteine."