7-dehydrocholesterol + NADP(+) <=> 7-dehydrodesmosterol + NADPH + H(+)
7-dehydrocholesterol + nadp(+) <=> 7-dehydrodesmosterol + nadph + h(+)
7-dehydrocholesterol + NADP(+) <=> 7-dehydrodesmosterol + NADPH + H(+)
7-dehydrocholesterol + nadp(+) <=> 7-dehydrodesmosterol + nadph + h(+)