KEGG   REACTION: R02207
Entry
R02207                      Reaction                               
Name
20alpha-hydroxy-4-pregnen-3-one:NAD+ 20-oxidoreductase
Definition
20alpha-Hydroxy-4-pregnen-3-one + NAD+ <=> Progesterone + NADH + H+
Equation
C04042 + C00003 <=> C00410 + C00004 + C00080
Comment
NADP+ (see R02209)
Reaction class
RC00001  C00003_C00004
RC00139  C00410_C04042
Enzyme
1.1.1.149
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
    1.1.1.149
     R02207  20alpha-Hydroxy-4-pregnen-3-one + NAD+ <=> Progesterone + NADH + H+
Orthology
K00212  20alpha/3alpha-hydroxysteroid dehydrogenase / dihydrodiol dehydrogenase [EC:1.1.1.149 1.1.1.357 1.3.1.20]
K05295  20alpha-hydroxysteroid dehydrogenase [EC:1.1.1.149]
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