label: tRNA (5-carboxymethoxyuridine(34)-5-O)-methyltransferase activity
label_lc: trna (5-carboxymethoxyuridine(34)-5-o)-methyltransferase activity
description: "Catalysis of the reaction: 5-carboxymethoxyuridine34 in tRNA + S-adenosyl-L-methionine = 5-methoxycarbonylmethoxyuridine34 in tRNA + S-adenosyl-L-homocysteine."