REACTION: R03176
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Entry
R03176 Reaction
Name
3beta-hydroxy-delta5-steroid:NAD+ 3-oxidoreductase
Definition
3beta-Hydroxy-Delta5-steroid + NAD+ <=> 3-Oxo-Delta5-steroid + NADH + H+
Equation
C03836
+
C00003
<=>
C01034
+
C00004
+
C00080
Comment
many enzymes also have delta5-delat4-isomerase activity (see ec
5.3.3.1
or
R02644
) and convert 3beta-hydroxy-delta5-steroid into 3-oxo-delta4-steroid.
general reaction (see
R01837, R02216, R02499, R02840, R03327, R04163, R04678, R04849 and R09920
)
Reaction class
RC00001
C00003_C00004
RC00144
C01034_C03836
Enzyme
1.1.1.145
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
R03176 3beta-Hydroxy-Delta5-steroid + NAD+ <=> 3-Oxo-Delta5-steroid + NADH + H+
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RHEA:
24079
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