Compound as reactive (1)
24-epi-campesterol + NADPH + H+ + oxygen → 2 H2O + brassicasterol + NADP+
Compound as product (2)
2 H+ + 24-methyldesmosterol → 24-epi-campesterol
a reduced electron donor + 24-methyldesmosterol → an oxidized electron donor + 24-epi-campesterol
Reversible reaction (1)
24-epi-campesterol + NADP+ ↔ NADPH + brassicasterol + H+