ID 1.1.1.105 DE All-trans-retinol dehydrogenase (NAD(+)). CA All-trans-retinol-[cellular-retinol-binding-protein] + NAD(+) = all- CA trans-retinal-[cellular-retinol-binding-protein] + NADH. CC -!- The enzyme recognizes all-trans-retinol and all-trans-retinal as CC substrates and exhibits a strong preference for NAD(+)/NADH as CC cofactors. CC -!- Recognizes the substrate both in free form and when bound to CC cellular-retinol-binding-protein (CRBP1), but has higher affinity for CC the bound form. CC -!- No activity with 11-cis-retinol or 11-cis-retinal (cf. EC 1.1.1.315). CC -!- Also active with 3-alpha-hydroxysteroids. PR PROSITE; PDOC00060; DR Q3T001, H17B6_BOVIN; O14756, H17B6_HUMAN; Q9R092, H17B6_MOUSE; DR O54753, H17B6_RAT ; P50170, RDH2_RAT ; P50169, RDH3_RAT ; DR O88451, RDH7_MOUSE ; P55006, RDH7_RAT ; Q8N3Y7, RDHE2_HUMAN; DR Q7TQA3, RDHE2_MOUSE; //