7alpha-hydroxycholest-4-en-3-one + NADPH + H(+) <=> 7alpha-hydroxy-5beta-cholestan-3-one + NADP(+)
7alpha-hydroxycholest-4-en-3-one + nadph + h(+) <=> 7alpha-hydroxy-5beta-cholestan-3-one + nadp(+)
7alpha-hydroxycholest-4-en-3-one + NADPH + H(+) <=> 7alpha-hydroxy-5beta-cholestan-3-one + NADP(+)
7alpha-hydroxycholest-4-en-3-one + nadph + h(+) <=> 7alpha-hydroxy-5beta-cholestan-3-one + nadp(+)