all-trans-neurosporene + 3 AH2 => 15-cis-phytoene + 3 A
all-trans-neurosporene + 3 ah2 => 15-cis-phytoene + 3 a
all-trans-neurosporene + 3 AH2 => 15-cis-phytoene + 3 A
all-trans-neurosporene + 3 ah2 => 15-cis-phytoene + 3 a