obsolete 2-hydroxy-6-oxo-6-(2,3-dihydroxyphenyl)-hexa-2,4-dienoate hydrolase activity (obsolete GO:0102326)
OBSOLETE. Catalysis of the reaction: 2-hydroxy-6-oxo-6-(2,3-dihydroxyphenyl)-hexa-2,4-dienoate + H2O = 2,3-dihydroxybenzoate + 2-oxopent-4-enoate + H+.