ENTRY       EC 2.5.1.32
NAME        Geranylgeranyl-diphosphate geranylgeranyltransferase
            Prephytoene-diphosphate synthase
CLASS       Transferases
            Transferring alkyl or aryl groups, other than methyl groups
SYSNAME     Geranylgeranyl-diphosphate:geranylgeranyl-diphosphate
            geranylgeranyltransferase
REACTION    2 Geranylgeranyl diphosphate = Pyrophosphate +
            Prephytoene diphosphate
SUBSTRATE   Geranylgeranyl diphosphate
PRODUCT     Pyrophosphate
            Prephytoene diphosphate
PATHWAY     PATH: MAP00100  Sterol biosynthesis
            PATH: MAP00900  Terpenoid biosynthesis
DBLINKS     University of Geneva ENZYME DATA BANK: 2.5.1.32
            WIT (What Is There) Metabolic Reconstruction: 2.5.1.32
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