all-trans-4,4'-diapo-zeta-carotene + FADH2 => all-trans-4,4'-diapophytofluene + FAD + H(+)
all-trans-4,4'-diapo-zeta-carotene + fadh2 => all-trans-4,4'-diapophytofluene + fad + h(+)
all-trans-4,4'-diapo-zeta-carotene + FADH2 => all-trans-4,4'-diapophytofluene + FAD + H(+)
all-trans-4,4'-diapo-zeta-carotene + fadh2 => all-trans-4,4'-diapophytofluene + fad + h(+)