3beta-hydroxy-5beta-pregnane-20-one + NADP(+) = 5beta-pregnan-3,20-dione + NADPH + H(+)
3beta-hydroxy-5beta-pregnane-20-one + nadp(+) = 5beta-pregnan-3,20-dione + nadph + h(+)
"3beta-hydroxy-5beta-steroid dehydrogenase"
"3beta-hydroxy-5beta-steroid dehydrogenase"