KEGG   REACTION: R08957
Entry
R08957                      Reaction                               
Name
3alpha-hydroxy-5alpha-pregnan-20-one:NADP+ 3-oxidoreductase (A-specific)
Definition
5alpha-Pregnane-3,20-dione + NADPH + H+ <=> Allopregnanolone + NADP+
Equation
Reaction class
RC00001  C00005_C00006
RC00144  C03681_C13712
Enzyme
Pathway
rn00140  Steroid hormone biosynthesis
rn01100  Metabolic pathways
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
    1.1.1.213
     R08957  5alpha-Pregnane-3,20-dione + NADPH + H+ <=> Allopregnanolone + NADP+
IUBMB reaction hierarchy [BR:br08202]
 1. Oxidoreductase reactions
  1.1.1.213
   R10423  3alpha-Hydroxysteroid <=> 3-Oxosteroid
    R08957  Allopregnanolone <=> 5alpha-Pregnane-3,20-dione
Orthology
K00089  3alpha-hydroxysteroid 3-dehydrogenase [EC:1.1.1.213 1.1.1.357]
K04119  aldo-keto reductase family 1 member C3 [EC:1.1.1.51 1.1.1.188 1.1.1.213 1.1.1.357]
LinkDB

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