obsolete 4-(2-oxocyclohexyl)-2-hydroxy-buta-2,4-dienoate hydrolase activity (obsolete GO:0034828)
OBSOLETE. Catalysis of the reaction: 4-(2-oxocyclohexyl)-2-hydroxy-buta-2,4-dienoate + H2O = 2-hydroxydec-2,4-diene-1,10-dioate + H+.