2 (2E,6E,10E)-geranylgeranyl diphosphate = 15-cis-phytoene + 2 diphosphate
2 (2e,6e,10e)-geranylgeranyl diphosphate = 15-cis-phytoene + 2 diphosphate
"prephytoene-diphosphate synthase"
"prephytoene-diphosphate synthase"