ID 1.3.1.67 DE cis-1,2-dihydroxy-4-methylcyclohexa-3,5-diene-1-carboxylate DE dehydrogenase. CA (1) (1R,6S)-1,6-dihydroxy-4-methylcyclohexa-2,4-diene-1-carboxylate + CA NADP(+) = 4-methylcatechol + CO2 + NADPH. CA (2) (1R,6S)-1,6-dihydroxy-4-methylcyclohexa-2,4-diene-1-carboxylate + CA NAD(+) = 4-methylcatechol + CO2 + NADH. CC -!- Involved in the p-xylene degradation pathway in bacteria. //