Reaction catalyzed by Muramoyltetrapeptide carboxypeptidase (3.4.17.13)

		+		H2O	=			+
	N-acetylmuramoyl-L-Ala-D-Glu-L-Lys-D-Ala	+		H2O	=		N-acetylmuramoyl-L-Ala-D-Glu-L-Lys	+		D-Ala