label: 3beta,20alpha-dihydroxy-5beta-pregnane + NADP(+) => 3beta-hydroxy-5beta-pregnane-20-one + NADPH + H(+)
label_lc: 3beta,20alpha-dihydroxy-5beta-pregnane + nadp(+) => 3beta-hydroxy-5beta-pregnane-20-one + nadph + h(+)