Reaction catalyzed by D-stereospecific aminopeptidase (3.4.11.19), non-stereospecific dipeptidase (3.4.13.17), D-Ala-D-Ala dipeptidase (3.4.13.22)

		+		H2O	=			+
	D-Ala-Gly	+		H2O	=		D-Ala	+		Gly