Reaction catalyzed by tissue kallikrein (3.4.21.35)

		+		H2O	=			+
	o-aminobenzoyl-FRSSR-N-(2,4-dinitrophenyl)ethylene diamine	+		H2O	=		o-aminobenzoyl-FR	+		SSR-N-(2,4-dinitrophenyl)ethylene diamine