a 3beta-hydroxysteroid-4alpha-carboxylate + NAD(+) = a 3-oxosteroid + CO2 + NADH
a 3beta-hydroxysteroid-4alpha-carboxylate + nad(+) = a 3-oxosteroid + co2 + nadh
a 3beta-hydroxysteroid-4alpha-carboxylate + NAD(+) = a 3-oxosteroid + CO2 + NADH
a 3beta-hydroxysteroid-4alpha-carboxylate + nad(+) = a 3-oxosteroid + co2 + nadh