Ligand 5beta-Pregnan-3beta-ol-20-one

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Basic Ligand Information

Molecular Structure
Picture of 5beta-Pregnan-3beta-ol-20-one (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C21H34O2
5beta-Pregnan-3beta-ol-20-one
PRTGXBPFDYMIJH-MKQZUAMYSA-N
Synonyms:
3beta-Hydroxy-5beta-pregnan-20-one, 3beta-hydroxy-5beta-pregnane-20-one, 5beta-pregnane-3beta-ol-20-one
Pathway Source
Pathways

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
3beta-hydroxy-5beta-pregnane-20-one + NADP+ = 5beta-pregnane-3,20-dione + NADPH
show the reaction diagram
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In Vivo Product in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
5beta-pregnan-3,20-dione + NADPH + H+ = 5beta-pregnane-3beta-ol-20-one + NADP+
show the reaction diagram
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Substrate in Enzyme-catalyzed Reactions (11 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
5beta-pregnan-3beta-ol-20-one + NAD+ = 5beta-pregnan-3,20-dione + NADH
show the reaction diagram
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5beta-pregnane-3beta-ol-20-one + NAD(P)H + H+ = 5beta-pregnan-3,20-diol + NAD(P)+
show the reaction diagram
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5beta-pregnan-3beta-ol-20-one + NADPH = ?
show the reaction diagram
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5beta-pregnan-3beta-ol-20-one + NAD+ = 5beta-pregnan-3,20-dione + NADH + H+
show the reaction diagram
-
5beta-pregnane-3beta-ol-20-one + NADP+ = 5beta-pregnan-3,20-dione + NADPH + H+
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (7 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
5beta-pregnan-3,20-dione + NADPH + H+ = 5beta-pregnane-3beta-ol-20-one + NADP+
show the reaction diagram
-

Inhibitor in Enzyme-catalyzed Reactions (5 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
1 mM, 80% inhibition
-
0.005 mM, 81% inhibition
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Enzyme Kinetic Parameters

kcat Value (Turnover Number) (2 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
0.041
-
pH 7.4, 25°C
0.0028
-
pH 7.4, 25°C, recombinant enzyme

KM Value (6 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.027
-
pH 7.3, 37°C, ADH1C*2 (gamma2gamma2)

IC50 Value (1 result)

EC NUMBER
IC50 VALUE
IC50 VALUE MAXIMUM
COMMENTARY
LITERATURE
0.00044
-
in 0.1 M potassium phosphate, pH 7.4, at 25°C

References & Links

Links to other databases for 5beta-Pregnan-3beta-ol-20-one

ChEBI
PubChem
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PubChem