KEGG   REACTION: R04835
Entry
R04835                      Reaction                               
Name
3alpha,11beta,21-trihydroxy-20-oxo-5beta-pregnan-18-al:NAD+ oxidoreductase (B-specific)
Definition
3alpha,11beta,21-Trihydroxy-20-oxo-5beta-pregnan-18-al + NAD+ <=> 11beta,21-Dihydroxy-3,20-oxo-5beta-pregnan-18-al + NADH + H+
Equation
C05474 + C00003 <=> C05473 + C00004 + C00080
Reaction class
RC00001  C00003_C00004
RC00144  C05473_C05474
Enzyme
1.1.1.50
Pathway
rn00140  Steroid hormone biosynthesis
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
    1.1.1.50
     R04835  3alpha,11beta,21-Trihydroxy-20-oxo-5beta-pregnan-18-al + NAD+ <=> 11beta,21-Dihydroxy-3,20-oxo-5beta-pregnan-18-al + NADH + H+
IUBMB reaction hierarchy [BR:br08202]
 1. Oxidoreductase reactions
  1.1.1.50
   R10422  3alpha-Hydroxysteroid <=> 3-Oxosteroid
    R04835  3alpha,11beta,21-Trihydroxy-20-oxo-5beta-pregnan-18-al <=> 11beta,21-Dihydroxy-3,20-oxo-5beta-pregnan-18-al
Orthology
K00037  3alpha-hydroxysteroid 3-dehydrogenase / chlordecone reductase [EC:1.1.1.50 1.1.1.357 1.1.1.225]
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