Reaction catalyzed by 2-hydroxy-6-oxonona-2,4-dienedioate hydrolase (3.7.1.14)

		+		H2O	=			+
	(2Z,4E,7E)-2-hydroxy-6-oxonona-2,4,7-triene-1,9-dioate	+		H2O	=		(2Z)-2-hydroxypenta-2,4-dienoate	+		fumarate