all-trans-phytofluene + A => all-trans-zeta-carotene + AH2
all-trans-phytofluene + a => all-trans-zeta-carotene + ah2
all-trans-phytofluene + A => all-trans-zeta-carotene + AH2
all-trans-phytofluene + a => all-trans-zeta-carotene + ah2