Reaction catalyzed by tRNA 5-(aminomethyl)-2-thiouridylate-methyltransferase (2.1.1.61)

		+		tRNA containing 5-aminomethyl-2-thiouridine	=			+
	S-adenosyl-L-methionine	+		tRNA containing 5-aminomethyl-2-thiouridine	=		S-adenosyl-L-homocysteine	+		tRNA containing 5-methylaminomethyl-2-thiouridylate