Reaction catalyzed by tRNA (adenine37)-methyltransferase (2.1.1.B122)

		+		adenine37 in tRNA	=			+		2-methyladenine37 in tRNA
	S-adenosyl-L-methionine	+		adenine37 in tRNA	=		S-adenosyl-L-homocysteine	+		2-methyladenine37 in tRNA