Compound as reactive (2)
2 menadiol + oxygen → 2 menadione + 2 H2O
menadiol + geranylgeranyl diphosphate → menaquinol-4 + diphosphate
Compound as product (1)
menadione + NADH + H+ → menadiol + NAD+
Reversible reaction (1)
hydrogen peroxide + menadiol ↔ 2 H2O + menadione