3-(cis-56-dihydroxycyclohexa-13-dien-1-yl)propanoate dehydrogenase (EC 1.3.1.87 hcaB (gene) cis-dihydrodiol dehydrogenase 23-dihydroxy-23-dihydro-phenylpropionate dehydrogenase) is an enzyme with system name 3-(cis-56-dihydroxycyclohexa-13-dien-1-yl)propanoate:NAD+ oxidoreductase.