Reaction catalyzed by Flavivirin (3.4.21.91)

		+		H2O	=			+
	pyroglutamic acid-Arg-Thr-Lys-Arg-7-amido-4-methylcoumarin	+		H2O	=		pyroglutamic acid-Arg-Thr-Lys-Arg	+		7-amino-4-methylcoumarin