Reaction catalyzed by carboxypeptidase D (3.4.16.6), carboxypeptidase E (3.4.17.10), metallocarboxypeptidase D (3.4.17.22)

		+		H2O	=			+
	Dansyl-Phe-Ala-Arg	+		H2O	=		Dansyl-Phe-Ala	+		Arg