a 16-oxosteroid + NADPH + H(+) => a 16alpha-hydroxysteroid + NADP(+)
a 16-oxosteroid + nadph + h(+) => a 16alpha-hydroxysteroid + nadp(+)
a 16-oxosteroid + NADPH + H(+) => a 16alpha-hydroxysteroid + NADP(+)
a 16-oxosteroid + nadph + h(+) => a 16alpha-hydroxysteroid + nadp(+)