KEGG   REACTION: R04163
Entry
R04163                      Reaction                               
Name
21-hydroxypregnenolone:NAD+ 3-oxidoreductase
Definition
21-Hydroxypregnenolone + NAD+ <=> 11-Deoxycorticosterone + NADH + H+
Equation
C05485 + C00003 <=> C03205 + C00004 + C00080
Comment
NADP+ (see R04164)
multi-step reaction (see R03176+R02644)
Reaction class
RC00001  C00003_C00004
RC00146  C03205_C05485
Enzyme
1.1.1.145       5.3.3.1
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
    1.1.1.145
     R04163  21-Hydroxypregnenolone + NAD+ <=> 11-Deoxycorticosterone + NADH + H+
 5. Isomerase reactions
  5.3  Intramolecular oxidoreductases
   5.3.3  Transposing C=C bonds
    5.3.3.1
     R04163  21-Hydroxypregnenolone + NAD+ <=> 11-Deoxycorticosterone + NADH + H+
Orthology
K00070  3beta-hydroxy-Delta5-steroid dehydrogenase / steroid Delta-isomerase [EC:1.1.1.145 5.3.3.1]
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