Reaction catalyzed by peptidyltransferase (2.3.2.12)

		+			=			+
	GlcNAc-MurNGlyc-L-Ala1-D-iGln2-meso-DapNH23-D-Ala4	+		D-methionine	=		GlcNAc-MurNGlyc-L-Ala1-D-iGln2-meso-DapNH23-D-Met4	+		D-alanine