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

		+		H2O	=			+
	UDP-MurNAc-L-Ala-D-Glu-L-Lys-D-Ala-D-Ala	+		H2O	=		UDP-MurNAc-L-Ala-D-Glu-L-Lys-D-Ala	+		D-Ala