ID 1.3.1.21 DE 7-dehydrocholesterol reductase. AN 7-dehydrocholesterol dehydrogenase/cholesterol oxidase. AN 7-DHC reductase. AN Delta(7)-sterol reductase. AN sterol Delta(7)-reductase. CA cholesterol + NADP(+) = 7-dehydrocholesterol + H(+) + NADPH. CC -!- The enzyme is part of the cholesterol biosynthesis pathway. DR Q5E9J5, DHCR7_BOVIN; Q7SXF1, DHCR7_DANRE; Q9UBM7, DHCR7_HUMAN; DR Q5UQI4, DHCR7_MIMIV; O88455, DHCR7_MOUSE; Q9Z2Z8, DHCR7_RAT ; DR Q7ZXH1, DHCR7_XENLA; Q6P4M0, DHCR7_XENTR; Q9LDU6, ST7R_ARATH ; //