encyclopedia of medical concepts
ψ
Geranylgeranyl-Diphosphate Geranylgeranyltransferase
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Definition
: 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.
Other names
Synthetase, Phytoene; Synthase, Prephytoene-
Diphosphate; Synthase, Geranylgeranyl-
Pyrophosphate; Synthase, Geranylgeranyl Pyrophosphate; Pyrophosphate Synthase, Geranylgeranyl; Prephytoene Diphosphate Synthase; Geranylgeranyltransferase, Geranylgeranyl-
Diphosph; Geranylgeranyl Diphosphate Geranylgeranyltransfera; Prephytoene-
Diphosphate Synthase; Phytoene Synthetase; Geranylgeranyl-
Pyrophosphate Synthase; Geranylgeranyl Pyrophosphate Synthase