Ligand beta-Alanine

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Basic Ligand Information

Molecular Structure
Picture of beta-Alanine (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C3H7NO2
beta-Alanine
UCMIRNVEIXFBKS-UHFFFAOYSA-N
Synonyms:
3-Aminopropanoate, 3-aminopropanoic acid, 3-aminopropionate, 3-aminopropionic acid, beta-Ala, beta-Aminoalanine, beta-aminopropionic acid, beta-homoGly, beta alanine

Show all pahtways known for Show all pathways known for beta-Alanine

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (20 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
beta-alanine + pyruvate + NADH + H+ = beta-alanopine + NAD+ + H2O
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beta-alanine + pyruvate + NADH = beta-alanopine + NAD+ + H2O
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beta-alanine + pyruvate = 3-oxopropionate + alanine
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beta-alanine + pyruvate = malonic semialdehyde + L-alanine
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ATP + (R)-4-phosphopantoate + beta-alanine = AMP + diphosphate + (R)-4'-phosphopantothenate
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ATP + gamma-L-glutamyl-L-cysteine + beta-alanine = ADP + phosphate + gamma-L-glutamyl-L-cysteinyl-beta-alanine
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ATP + (R)-4-phosphopantoate + beta-alanine = AMP + diphosphate + (R)-4'-phosphopantothenate
show the reaction diagram
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ATP + (R)-pantoate + beta-alanine = ADP + phosphate + (R)-pantothenate
show the reaction diagram
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In Vivo Product in Enzyme-catalyzed Reactions (8 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
3-aminopropanal + NAD+ + H2O = 3-aminopropanoate + NADH + 2 H+
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3-aminopropionaldehyde + NAD+ + H2O = 3-aminopropionate + NADH + H+
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beta-alanopine + NAD+ + H2O = beta-alanine + pyruvate + NADH + H+
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L-aspartate = beta-alanine + CO2
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Substrate in Enzyme-catalyzed Reactions (99 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
beta-alanine + 2-oxoglutarate + O2 = D-isoserine + succinate + CO2
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beta-alanine + pyruvate + NADH + H+ = ?
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beta-alanine + pyruvate + NADH + H+ = beta-alanopine + NAD+ + H2O
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beta-Ala + pyruvate + NADH = ?
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arginine + 3-aminopropionic acid = 3-guanidinopropionic acid + ornithine
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choloyl-CoA + beta-alanine = CoA + beta-alanylcholate
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Z-Gln-Gly + beta-alanine = ?
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beta-alanine + pyruvate = 3-oxopropionate + alanine
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beta-alanine + 2-oxoglutarate = malonic semialdehyde + L-glutamate
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beta-alanine + 2-oxoglutarate = malonic semialdehyde + L-glutamate
show the reaction diagram
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beta-alanine + pyruvate = malonic semialdehyde + L-alanine
show the reaction diagram
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beta-alanine + 4,5-dioxopentanoate = 5-aminolevulinate + malonic semialdehyde
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beta-alanine + 2-oxoglutarate = 3-oxopropanoate + L-glutamate
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beta-alanine + 2-oxoglutaric acid = ?
show the reaction diagram
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ATP + (R)-4-phosphopantoate + beta-alanine = AMP + diphosphate + (R)-4'-phosphopantothenate
show the reaction diagram
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ATP + (R)-4-phosphopantoate + beta-alanine = AMP + diphosphate + (R)-4'-phosphopantothenate
show the reaction diagram
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ATP + (R)-pantoate + beta-alanine = ADP + phosphate + (R)-pantothenate
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ATP + UDP-N-acetylmuramate + beta-Ala = ADP + phosphate + UDP-N-acetylmuramoyl-beta-Ala
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ATP + 5-phosphoribosylamine + beta-Ala = ?
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Product in Enzyme-catalyzed Reactions (74 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
3-aminopropanal + NAD+ + H2O = 3-aminopropanoate + NADH
show the reaction diagram
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beta-alanopine + NAD+ + H2O = beta-alanine + pyruvate + NADH + H+
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beta-Ala benzyl ester + H2O = beta-Ala + benzoic acid
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beta-Ala-L-His + H2O = beta-Ala + L-His
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L-Asp-beta-Ala + H2O = L-Asp + beta-Ala
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benzyloxycarbonyl-Phe-beta-Ala + H2O = benzyloxycarbonyl-Phe + beta-Ala
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beta-alaninamide + H2O = beta-alanine + NH3
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N-biotinyl-beta-alanine + H2O = biotin + beta-alanine
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N-acetyl-beta-alanine + H2O = beta-alanine + acetate
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beta-alanyl-CoA + H2O = beta alanine + CoA
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N-acetyl-beta-alanine + H2O = acetate + beta-alanine
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3-guanidinopropionate + H2O = 3-aminopropanoate + urea
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beta-aminopropionitrile + H2O = beta-aminopropionic acid + NH3
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3-aminopropionitrile + H2O = 3-aminopropanoic acid + NH3
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L-aspartate = beta-alanine + CO2
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L-aspartate = 3-aminopropionic acid + CO2
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L-Asp = beta-Ala + CO2
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L-gamma-glutamyl-beta-alanine = beta-alanine + 5-oxo-L-proline
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5-L-glutamyl-beta-alanine = 5-oxoproline + beta-alanine
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L-alanine = beta-alanine
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Activator in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
600% activation
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10% activation at 0.33 M
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Inhibitor in Enzyme-catalyzed Reactions (27 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
slightly
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inhibitor/substrate ratio = 3, 20% inhibition
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with (S)-alanine + glyoxylate as substrate
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8% inhibition
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noncompetitive inhibition with respect to delta-aminovalerate, competitive inhibition to 2-oxoglutarate
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weak
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partial inhibition, 8 mM: 89% of activity compared to H2O
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competitive inhibition, 10 mM
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weak
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3D Structure of Enzyme-Ligand-Complex (PDB) (12 results)

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (10 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
2.5
-
-
4.8
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KM Value (51 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
196
-
pH 7.5, 25°C
14.3
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pH 7.1, 30°C
175
-
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1.1
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pH 8.8, 37°C
0.34
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pH 6.5, 85°C
0.046
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3.695
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Ki Value (6 results)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.55
-
forward reaction with 4-aminobutanoate and pyruvate, pH 9.0, 30°C
1.1
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References & Links

Links to other databases for beta-Alanine

ChEBI
PubChem
ChEBI
PubChem