KEGG   REACTION: R02065
Entry
R02065                      Reaction                               
Name
geranylgeranyl-diphosphate:geranylgeranyl-diphosphate geranylgeranyltransferase (prephytoene-diphosphate-forming)
Definition
2 Geranylgeranyl diphosphate <=> Diphosphate + Prephytoene diphosphate
Equation
2 C00353 <=> C00013 + C03427
Comment
a part of multi-step reaction (see R07916, R02065+R07270)
subsequently R07270
a part of multi-step reaction (see R10177, R02065+R04218)
a part of multi-step reaction (see R12281, R02065+R12280)
Reaction class
RC00362  C00353_C03427
RC02869  C00353_C03427
Enzyme
2.5.1.32        2.5.1.148
Pathway
rn00906  Carotenoid biosynthesis
rn01100  Metabolic pathways
rn01110  Biosynthesis of secondary metabolites
Module
M00097  Lycopene biosynthesis, geranylgeranyl-PP => lycopene
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)
    2.5.1.32
     R02065  2 Geranylgeranyl diphosphate <=> Diphosphate + Prephytoene diphosphate
    2.5.1.148
     R02065  2 Geranylgeranyl diphosphate <=> Diphosphate + Prephytoene diphosphate
Orthology
K02291  15-cis-phytoene synthase [EC:2.5.1.32]
K17841  15-cis-phytoene synthase / lycopene beta-cyclase [EC:2.5.1.32 5.5.1.19]
K23152  lycopaoctaene synthase [EC:2.5.1.148]
Other DBs
RHEA: 22299
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