Reaction catalyzed by tissue kallikrein (3.4.21.35)

		+		H2O	=			+
	o-aminobenzoyl-Phe-Arg-Arg--ethylenediamine 2,4-dinitrophenol	+		H2O	=		o-aminobenzoyl-Phe-Arg	+		Arg-ethylenediamine 2,4-dinitrophenol