An enzyme that catalyzes the condensation of two molecules of geranylgeranyl diphosphate to give prephytoene diphosphate. The prephytoene diphosphate molecule is a precursor for CAROTENOIDS and other tetraterpenes.
Also Known As:
Geranylgeranyl Pyrophosphate Synthase; Geranylgeranyl-Pyrophosphate Synthase; Phytoene Synthetase; Prephytoene-Diphosphate Synthase; Geranylgeranyl Diphosphate Geranylgeranyltransferase; Geranylgeranyltransferase, Geranylgeranyl-Diphosphate; Prephytoene Diphosphate Synthase; Pyrophosphate Synthase, Geranylgeranyl; Synthase, Geranylgeranyl Pyrophosphate; Synthase, Geranylgeranyl-Pyrophosphate; Synthase, Prephytoene-Diphosphate; Synthetase, Phytoene