KEGG   REACTION: R09245
Entry
R09245                      Reaction                               
Name
(2E,6E)-farnesyl-diphosphate:isopentenyl-diphosphate farnesyltranstransferase (adding 3 isopentenyl units)
Definition
trans,trans-Farnesyl diphosphate + 3 Isopentenyl diphosphate <=> all-trans-Hexaprenyl diphosphate + 3 Diphosphate
Equation
C00448 + 3 C00129 <=> C01230 + 3 C00013
Comment
3-step reaction
see R02061+R07475+R05613
Reaction class
RC00279  C00129_C01230
Enzyme
2.5.1.83
Pathway
rn00900  Terpenoid backbone biosynthesis
rn01110  Biosynthesis of secondary metabolites
Brite
Enzymatic reactions [BR:br08201]
 2. Transferase reactions
  2.5  Transferring alkyl or aryl groups, other than methyl groups
   2.5.1  Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
    2.5.1.83
     R09245  trans,trans-Farnesyl diphosphate + 3 Isopentenyl diphosphate <=> all-trans-Hexaprenyl diphosphate + 3 Diphosphate
Orthology
K05355  hexaprenyl-diphosphate synthase [EC:2.5.1.82 2.5.1.83]
K21274  hexaprenyl-diphosphate synthase small subunit [EC:2.5.1.83]
K21275  hexaprenyl-diphosphate synthase large subunit [EC:2.5.1.83]
Other DBs
RHEA: 27562
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