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