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Identification
YMDB IDYMDB00428
Name(S)-2-acetyl-2-hydroxybutanoate
SpeciesSaccharomyces cerevisiae
StrainBaker's yeast
Description(S)-2-Acetyl-2-hydroxybutanoate is involved in valine, leucine and isoleucine biosynthesis pathways. [KEGG]
Structure
Thumb
Synonyms
  • (S)-2-Aceto-2-hydroxybutanoate
  • (S)-2-acetyl-2-hydroxybutyrate
  • (S)-2-Hydroxy-2-ethyl-3-oxobutanoate
  • (S)-2-Acetyl-2-hydroxybutyric acid
  • (2S)-2-Ethyl-2-hydroxy-3-oxobutanoate
  • (2S)-2-Ethyl-2-hydroxy-3-oxobutanoic acid
  • (S)-2-Hydroxy-2-ethyl-3-oxobutanoic acid
CAS numberNot Available
WeightAverage: 146.1412
Monoisotopic: 146.057908808
InChI KeyVUQLHQFKACOHNZ-LURJTMIESA-N
InChIInChI=1S/C6H10O4/c1-3-6(10,4(2)7)5(8)9/h10H,3H2,1-2H3,(H,8,9)/t6-/m0/s1
IUPAC Name(2S)-2-ethyl-2-hydroxy-3-oxobutanoic acid
Traditional IUPAC Name(2S)-2-ethyl-2-hydroxy-3-oxobutanoic acid
Chemical FormulaC6H10O4
SMILESCC[C@](O)(C(C)=O)C(O)=O
Chemical Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as short-chain keto acids and derivatives. These are keto acids with an alkyl chain the contains less than 6 carbon atoms.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassKeto acids and derivatives
Sub ClassShort-chain keto acids and derivatives
Direct ParentShort-chain keto acids and derivatives
Alternative Parents
Substituents
  • Beta-keto acid
  • Branched fatty acid
  • Hydroxy fatty acid
  • Short-chain keto acid
  • Alpha-hydroxy acid
  • Fatty acyl
  • Acyloin
  • Beta-hydroxy ketone
  • Hydroxy acid
  • Tertiary alcohol
  • Alpha-hydroxy ketone
  • Ketone
  • Carboxylic acid derivative
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carbonyl group
  • Alcohol
  • Organic oxygen compound
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Physical Properties
StateNot Available
Charge0
Melting pointNot Available
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogPNot AvailablePhysProp
Predicted Properties
PropertyValueSource
Water Solubility259 g/LALOGPS
logP-0.58ALOGPS
logP0.24ChemAxon
logS0.25ALOGPS
pKa (Strongest Acidic)3.6ChemAxon
pKa (Strongest Basic)-4.7ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area74.6 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity33.11 m³·mol⁻¹ChemAxon
Polarizability13.72 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations
  • mitochondrion
Organoleptic PropertiesNot Available
SMPDB PathwaysNot Available
KEGG Pathways
Valine, leucine and isoleucine biosynthesisec00290 Map00290
SMPDB ReactionsNot Available
KEGG Reactions
Pyruvic acid + hydron + 2-Ketobutyric acidCarbon dioxide + (S)-2-acetyl-2-hydroxybutanoate
NADPH + hydron + (S)-2-acetyl-2-hydroxybutanoateNADP + (R)-2,3-Dihydroxy-3-methylvalerate
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
References
References:
  • Herrgard, M. J., Swainston, N., Dobson, P., Dunn, W. B., Arga, K. Y., Arvas, M., Bluthgen, N., Borger, S., Costenoble, R., Heinemann, M., Hucka, M., Le Novere, N., Li, P., Liebermeister, W., Mo, M. L., Oliveira, A. P., Petranovic, D., Pettifer, S., Simeonidis, E., Smallbone, K., Spasic, I., Weichart, D., Brent, R., Broomhead, D. S., Westerhoff, H. V., Kirdar, B., Penttila, M., Klipp, E., Palsson, B. O., Sauer, U., Oliver, S. G., Mendes, P., Nielsen, J., Kell, D. B. (2008). "A consensus yeast metabolic network reconstruction obtained from a community approach to systems biology." Nat Biotechnol 26:1155-1160.18846089
  • Cullin, C., Baudin-Baillieu, A., Guillemet, E., Ozier-Kalogeropoulos, O. (1996). "Functional analysis of YCL09C: evidence for a role as the regulatory subunit of acetolactate synthase." Yeast 12:1511-1518.8972574
Synthesis Reference:Not Available
External Links:
ResourceLink
CHEBI ID27681
HMDB IDHMDB0006900
Pubchem Compound ID21145135
Kegg IDC06006
ChemSpider ID389708
FOODB IDFDB024147
Wikipedia IDNot Available
BioCyc IDNot Available

Enzymes

General function:
Involved in oxidoreductase activity
Specific function:
(R)-2,3-dihydroxy-3-methylbutanoate + NADP(+) = (S)-2-hydroxy-2-methyl-3-oxobutanoate + NADPH
Gene Name:
ILV5
Uniprot ID:
P06168
Molecular weight:
44368.10156
Reactions
(R)-2,3-dihydroxy-3-methylbutanoate + NADP(+) → (S)-2-hydroxy-2-methyl-3-oxobutanoate + NADPH.
(2R,3R)-2,3-dihydroxy-3-methylpentanoate + NADP(+) → (S)-2-hydroxy-2-ethyl-3-oxobutanoate + NADPH.
General function:
Involved in magnesium ion binding
Specific function:
2 pyruvate = 2-acetolactate + CO(2)
Gene Name:
ILV2
Uniprot ID:
P07342
Molecular weight:
74936.29688
Reactions
2 pyruvate → 2-acetolactate + CO(2).