KEGG   REACTION: R09248
Entry
R09248                      Reaction                               
Name
(2E,6E)-farnesyl-diphosphate:isopentenyl-diphosphate farnesyltranstransferase (adding 5 isopentenyl units)
Definition
trans,trans-Farnesyl diphosphate + 5 Isopentenyl diphosphate <=> all-trans-Octaprenyl diphosphate + 5 Diphosphate
Equation
C00448 + 5 C00129 <=> C04146 + 5 C00013
Comment
5-step reaction
see R02061+R07475+R05613+R05612+R05611
Reaction class
RC00279  C00129_C04146
Enzyme
2.5.1.90
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)
    2.5.1.90
     R09248  trans,trans-Farnesyl diphosphate + 5 Isopentenyl diphosphate <=> all-trans-Octaprenyl diphosphate + 5 Diphosphate
Orthology
K02523  octaprenyl-diphosphate synthase [EC:2.5.1.90]
Other DBs
RHEA: 27801
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