Reaction catalyzed by tripeptidyl-peptidase I (3.4.14.9)

		+		H2O	=			+
	Ala-Ala-Phe-p-nitrophenylalanyl-Arg-Leu	+		H2O	=		Ala-Ala-Phe	+		p-nitrophenylalanyl-Arg-Leu