GO:0004808

tRNA (5-methylaminomethyl-2-thiouridylate)-methyltransferase activity

Details:

Catalysis of the reaction: S-adenosyl-L-methionine + tRNA containing 5-aminomethyl-2-thiouridine = S-adenosyl-L-homocysteine + tRNA containing 5-methylaminomethyl-2-thiouridylate.