Reaction catalyzed by beta-ketoacyl-[acyl-carrier-protein] synthase III (2.3.1.180)

		+			=			+
	de-(6-methylsalicylyl)-7-deoxy-7-demethylpactamycin	+		S-(2-acetamidoethyl) 2-methylpropanethioate	=		[(1S,2R,3S,4S,5S)-5-(3-acetylanilino)-4-amino-3-[(dimethylcarbamoyl)amino]-1,2-dihydroxy-2,3-dimethylcyclopentyl]methyl 2-methylpropanoate	+		N-(2-sulfanylethyl)acetamide