15-cis-phytoene + 4 A => all-trans-lycopene + 4 AH2
15-cis-phytoene + 4 a => all-trans-lycopene + 4 ah2
15-cis-phytoene + 4 A => all-trans-lycopene + 4 AH2
15-cis-phytoene + 4 a => all-trans-lycopene + 4 ah2