Reaction catalyzed by serine-type D-Ala-D-Ala carboxypeptidase (3.4.16.4)

		+		H2O	=			+
	N-(N-acetyl-1-O-methyl-beta-muramoyl)-L-alanyl-D-gamma-glutamyl-L-lysyl-D-alanyl-D-alanine	+		H2O	=		N-(N-acetyl-1-O-methyl-beta-muramoyl)-L-alanyl-D-gamma-glutamyl-L-lysyl-D-alanine	+		D-Ala