Reaction catalyzed by SAMP-activating enzyme (2.7.7.100)

	ADP	+		[SAMP]-Gly-Gly	=			+		[SAMP]-Gly-Gly-AMP
	ADP	+		[SAMP]-Gly-Gly	=		phosphate	+		[SAMP]-Gly-Gly-AMP