ID 1.3.1.67 DE Cis-1,2-dihydroxy-4-methylcyclohexa-3,5-diene-1-carboxylate DE dehydrogenase. CA Cis-1,2-dihydroxy-4-methylcyclohexa-3,5-diene-1-carboxylate + NAD(P)(+) = CA 4-methylcatechol + NAD(P)H + CO(2). CC -!- Involved in the p-xylene degradation pathway in bacteria. //