Reaction catalyzed by 23S rRNA (adenine1618-N6)-methyltransferase (2.1.1.181)

		+		adenine1618 in 23S rRNA	=			+		N6-methyladenine1618 in 23S rRNA
	S-adenosyl-L-methionine	+		adenine1618 in 23S rRNA	=		S-adenosyl-L-homocysteine	+		N6-methyladenine1618 in 23S rRNA