15-cis-phytoene synthase activity
Catalysis of the reaction: 2 geranylgeranyl diphosphate = 15-cis-phytoene + 2 diphosphate.
GO:0004659
prenyltransferase activity
is_a
PSase activity
exact
geranylgeranyl-diphosphate geranylgeranyltransferase activity
exact
geranylgeranyl-diphosphate:geranylgeranyl-diphosphate geranylgeranyltransferase (15-cis-phytoene-forming) activity
exact
phytoene synthase activity
exact
prephytoene-diphosphate synthase activity
exact