ID 1.3.1.64 DE phthalate 4,5-cis-dihydrodiol dehydrogenase. CA cis-4,5-dihydroxycyclohexa-2,6-diene-1,2-dicarboxylate + NAD(+) = 4,5- CA dihydroxyphthalate + H(+) + NADH. CC -!- Involved in the phthalate degradation pathway in bacteria. //