1,6-dihydroxycyclohexa-2,4-diene-1-carboxylate dehydrogenase activity
1,6-dihydroxycyclohexa-2,4-diene-1-carboxylate dehydrogenase activity
Catalysis of the reaction: NAD+ + 1,6-dihydroxycyclohexa-2,4-diene-1-carboxylate = NADH + CO2 + catechol.