KEGG   REACTION: R12371
Entry
R12371                      Reaction                               
Name
3beta-hydroxy-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-4alpha-carboxylate:NAD+ 3-oxidoreductase (decarboxylating)
Definition
3beta-Hydroxy-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-4alpha-carboxylate + NAD+ <=> Cycloeucalenone + NADH + CO2 + H+
Equation
Reaction class
RC01163  C22116_C22121
Enzyme
Pathway
rn00100  Steroid biosynthesis
rn01100  Metabolic pathways
rn01110  Biosynthesis of secondary metabolites
Module
M00917  Phytosterol biosynthesis, squalene 2,3-epoxide => campesterol/sitosterol
Brite
Enzymatic reactions [BR:br08201]
 1. Oxidoreductase reactions
  1.1  Acting on the CH-OH group of donors
   1.1.1  With NAD+ or NADP+ as acceptor
    1.1.1.418
     R12371  3beta-Hydroxy-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-4alpha-carboxylate + NAD+ <=> Cycloeucalenone + NADH + CO2 + H+
IUBMB reaction hierarchy [BR:br08202]
 1. Oxidoreductase reactions
  1.1.1.418
   R12366  3beta-Hydroxysteroid-4alpha-carboxylate <=> 3-Oxosteroid
    R12371  3beta-Hydroxy-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(24(1))-en-4alpha-carboxylate <=> Cycloeucalenone
Orthology
K23558  plant 3beta-hydroxysteroid-4alpha-carboxylate 3-dehydrogenase [EC:1.1.1.418]

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