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BRENDA support

Ligand acetoacetic acid

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Basic Ligand Information

Molecular Structure
Picture of acetoacetic acid (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C4H6O3
acetoacetic acid
WDJHALXBUFZDSR-UHFFFAOYSA-N
Synonyms:
3-Ketobutyrate, 3-oxo-n-butyric acid, 3-oxobutanoate, 3-oxobutanoic acid, 3-oxobutanone, 3-oxobutyrate, acetoacetate, acetylacetate


Show all pahtways known for Show all BRENDA pathways known for acetoacetic acid

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (8 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
2-mercaptoethanesulfonate + acetoacetate + NADP+ = 2-(2-oxopropylthio)ethanesulfonate + CO2 + NADPH + H+
show the reaction diagram
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ATP + acetoacetate + CoA = AMP + diphosphate + acetoacetyl-CoA
show the reaction diagram
-

In Vivo Product in Enzyme-catalyzed Reactions (18 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
(S)-3-hydroxybutanoate + 2-oxoglutarate = acetoacetate + (R)-2-hydroxyglutarate
show the reaction diagram
-
(5S)-5-amino-3-oxohexanoate + acetyl-CoA = L-3-aminobutanoyl-CoA + acetoacetate
show the reaction diagram
-
L-beta-amino-n-butyric acid + pyruvate = 3-oxo-n-butyric acid + alanine
show the reaction diagram
-
acetoacetyl-CoA + acetate = acetoacetate + acetyl-CoA
show the reaction diagram
-
butanoate + acetoacetyl-CoA = butanoyl-CoA + acetoacetate
show the reaction diagram
-
4-fumarylacetoacetate + H2O = acetoacetate + fumarate
show the reaction diagram
(S)-3-Hydroxy-3-methylglutaryl-CoA = Acetyl-CoA + acetoacetate
show the reaction diagram
-
acetone + CO2 + ATP + H2O = acetoacetate + AMP + phosphate
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Substrate in Enzyme-catalyzed Reactions (26 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
acetoacetate + NADH = ? + NAD+
show the reaction diagram
-
3-oxobutanone + O2 = ?
show the reaction diagram
-
beta-alanyl-CoA + acetoacetate = ?
show the reaction diagram
-
beta-alanine + acetoacetate = malonic semialdehyde + 3-aminobutanoate
show the reaction diagram
-
acetyl-CoA + acetoacetate = acetate + acetoacetyl-CoA
show the reaction diagram
-
acetoacetate + H2O = acetate
show the reaction diagram
ATP + acetoacetate + CoA = AMP + diphosphate + acetoacetyl-CoA
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (75 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
(5S)-5-amino-3-oxohexanoate + acetyl-CoA = L-3-aminobutanoyl-CoA + acetoacetate
show the reaction diagram
-
DL-3-amino-n-butanoate + pyruvate = 3-oxobutanoate + L-alanine
show the reaction diagram
-
DL-3-aminobutyrate + 2-oxoglutarate = 3-oxobutyrate + L-glutamate
show the reaction diagram
-
acetoacetyl-CoA + acetate = acetoacetate + acetyl-CoA
show the reaction diagram
-
acetoacetylcholine + H2O = acetoacetate + choline
show the reaction diagram
-
acetoacetyl-CoA + H2O = acetoacetate + CoA
show the reaction diagram
-
acetoacetyl-CoA + H2O = acetoacetate + CoA
show the reaction diagram
-
acetoacetyl-CoA + H2O = CoA + acetoacetate
show the reaction diagram
-
acetoacetyl-CoA + H2O = CoA + acetoacetate
show the reaction diagram
-
S-acetoacetylglutathione + H2O = acetoacetate + glutathione
show the reaction diagram
-
N-3-oxobutanoyl-L-homoserine lactone + H2O = L-homoserine lactone + 3-oxobutanoic acid
show the reaction diagram
-

Activator in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE

Inhibitor in Enzyme-catalyzed Reactions (27 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
competitive inhibitor
-
weak
-
mixed noncompetitive inhibition
-
Ki 0.3 mM
-
1 mM, 30% inhibition
treatment with 0.025-0.035 mM H2O2, 4-8 mM acetoacetate and high D-glucose of 25 mM causes a significant decrease in enzyme protein expression, enzyme activity, and H2S levels, and an increase in intracellular reactive oxygen species production compared with those in normal controls
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3D Structure of Enzyme-Ligand-Complex (PDB) (21 results)

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (27 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
8.5
-
-
0.263
-
-
5.89
-
pH 7.5, 30°C, recombinant enzyme

KM Value (62 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.0091
-
-
6.3
-
-

Ki Value (6 results)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
3
-
standard conditions, inhibition by substrate analog
0.5
-
pH 8.5, 30°C
0.3
-
-
0.021
-
-

References & Links

Links to other databases for acetoacetic acid

ChEBI
PubChem
ChEBI
PubChem