ENTRY       EC 2.5.1.33
NAME        trans-Pentaprenyltranstransferase
            all-trans-Hexaprenyl-diphosphate synthase
CLASS       Transferases
            Transferring alkyl or aryl groups, other than methyl groups
SYSNAME     all-trans-Pentaprenyl-diphosphate:isopentenyl-diphosphate
            pentaprenyltranstransferase
REACTION    all-trans-Pentaprenyl diphosphate + Isopentenyl diphosphate =
            Pyrophosphate + all-trans-Hexaprenyl diphosphate
SUBSTRATE   all-trans-Pentaprenyl diphosphate
            Isopentenyl diphosphate
            trans,trans-Farnesyl diphosphate
            all-trans-Geranylgeranyl diphosphate
PRODUCT     Pyrophosphate
            all-trans-Hexaprenyl diphosphate
COMMENT     This enzyme will also use trans,trans-farnesyl diphosphate
            and all-trans-geranylgeranyl diphosphate as donors.
DBLINKS     University of Geneva ENZYME DATA BANK: 2.5.1.33
            WIT (What Is There) Metabolic Reconstruction: 2.5.1.33
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