3-dehydro-4-methylzymosterol + CO2 + NADPH => 4beta-methylzymosterol-4alpha-carboxylate + NADP(+)
3-dehydro-4-methylzymosterol + co2 + nadph => 4beta-methylzymosterol-4alpha-carboxylate + nadp(+)
3-dehydro-4-methylzymosterol + CO2 + NADPH => 4beta-methylzymosterol-4alpha-carboxylate + NADP(+)
3-dehydro-4-methylzymosterol + co2 + nadph => 4beta-methylzymosterol-4alpha-carboxylate + nadp(+)