KEGG   REACTION: R12377
Entry
R12377                      Reaction                               
Name
24-methylidenecycloartanol,ferrocytochrome-b5:oxygen oxidoreductase (C-4alpha-methyl-hydroxylating)
Definition
24-Methylidenecycloartanol + 6 Ferrocytochrome b5 + 3 Oxygen + 6 H+ <=> 3beta-Hydroxy-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-4alpha-carboxylate + 6 Ferricytochrome b5 + 4 H2O
Equation
C08830 + 6 C00999 + 3 C00007 + 6 C00080 <=> C22116 + 6 C00996 + 4 C00001
Comment
three-step reaction (see R12368+R12369+R12370)
Reaction class
RC01952  C08830_C22116
Enzyme
Pathway
rn00100  Steroid biosynthesis
rn01100  Metabolic pathways
rn01110  Biosynthesis of secondary metabolites
Module
M00917  Phytosterol biosynthesis, squalene 2,3-epoxide => campesterol/sitosterol
Orthology
K14423  plant 4,4-dimethylsterol C-4alpha-methyl-monooxygenase [EC:1.14.18.10]
LinkDB

KEGG   REACTION: R12368
Entry
R12368                      Reaction                               
Name
24-methylidenecycloartanol,ferrocytochrome-b5:oxygen oxidoreductase
Definition
24-Methylidenecycloartanol + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> 4alpha-(Hydroxymethyl)-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-3beta-ol + 2 Ferricytochrome b5 + H2O
Equation
Comment
the first step of three-step reaction (see R12377, R12368+R12369+R12370)
Reaction class
RC00257  C08830_C22114
Enzyme
LinkDB

KEGG   REACTION: R12369
Entry
R12369                      Reaction                               
Name
4alpha-(hydroxymethyl)-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-3beta-ol,ferrocytochrome-b5:oxygen oxidoreductase
Definition
4alpha-(Hydroxymethyl)-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-3beta-ol + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> 4alpha-Formyl-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-3beta-ol + 2 Ferricytochrome b5 + 2 H2O
Equation
C22114 + 2 C00999 + C00007 + 2 C00080 <=> C22115 + 2 C00996 + 2 C00001
Comment
the second step of three-step reaction (see R12377, R12368+R12369+R12370)
Reaction class
RC00893  C22114_C22115
Enzyme
LinkDB

KEGG   REACTION: R12370
Entry
R12370                      Reaction                               
Name
4alpha-formyl-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-3beta-ol,ferrocytochrome-b5:oxygen oxidoreductase
Definition
4alpha-Formyl-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-3beta-ol + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> 3beta-Hydroxy-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-4alpha-carboxylate + 2 Ferricytochrome b5 + H2O
Equation
Comment
the last step of three-step reaction (see R12377, R12368+R12369+R12370)
Reaction class
RC01563  C22115_C22116
Enzyme
LinkDB

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