Reaction catalyzed by glucosinolate gamma-glutamyl hydrolase (3.4.19.16)

		+		H2O	=			+
	(glutathion-S-yl)(1H-indol-3-yl)acetonitrile	+		H2O	=		(L-cysteinylglycin-S-yl)(1H-indol-3-yl)acetonitrile	+		L-glutamate