KEGG   REACTION: R07857
Entry
R07857                      Reaction                               
Name
beta-carotene:acceptor oxidoreductase/methyltranferase (phi-ring forming)
Definition
beta-Carotene + 2 Acceptor <=> beta-Isorenieratene + 2 Reduced acceptor
Equation
C02094 + 2 C00028 <=> C16340 + 2 C00030
Reaction class
RC01965  C02094_C16340
Enzyme
1.3.99.39
Pathway
rn00906  Carotenoid biosynthesis
Brite
Enzymatic reactions [BR:br08201]
 1. Oxidoreductase reactions
  1.3  Acting on the CH-CH group of donors
   1.3.99  With unknown physiological acceptors
    1.3.99.39
     R07857  beta-Carotene + 2 Acceptor <=> beta-Isorenieratene + 2 Reduced acceptor
IUBMB reaction hierarchy [BR:br08202]
 1. Oxidoreductase reactions
  1.3.99.39
   R12115  Carotenoid beta-end group <=> Carotenoid phi-end group
    R07857  beta-Carotene <=> beta-Isorenieratene
Orthology
K09879  carotenoid phi-ring synthase / carotenoid chi-ring synthase [EC:1.3.99.39 1.3.99.40]
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