KEGG   REACTION: R07495
Entry
R07495                      Reaction                               
Name
4alpha-methylzymosterol:NADP+ 3-oxidoreductase
Definition
3-Keto-4-methylzymosterol + NADPH + H+ <=> 4alpha-Methylzymosterol + NADP+
Equation
Reaction class
RC00001  C00005_C00006
RC00154  C05103_C15816
Enzyme
Pathway
rn00100  Steroid biosynthesis
rn01100  Metabolic pathways
rn01110  Biosynthesis of secondary metabolites
Module
M00101  Cholesterol biosynthesis, FPP => cholesterol
M00102  Ergocalciferol biosynthesis, FPP => ergosterol/ergocalciferol
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
    1.1.1.270
     R07495  3-Keto-4-methylzymosterol + NADPH + H+ <=> 4alpha-Methylzymosterol + NADP+
IUBMB reaction hierarchy [BR:br08202]
 1. Oxidoreductase reactions
  1.1.1.270
   R12402  3beta-Hydroxysteroid <=> 3-Oxosteroid
    R07495  4alpha-Methylzymosterol <=> 3-Keto-4-methylzymosterol
Orthology
K09827  3-keto steroid reductase [EC:1.1.1.270]
K13373  17beta-estradiol 17-dehydrogenase / 3beta-hydroxysteroid 3-dehydrogenase [EC:1.1.1.62 1.1.1.270]
Other DBs
RHEA: 36382
LinkDB

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