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Identification
YMDB IDYMDB00093
Name2-Dehydropantoic acid
SpeciesSaccharomyces cerevisiae
StrainBaker's yeast
Description2-Dehydropantoic acid is an intermediate in pantothenate and coenzyme A biosynthesis. [BioCyc PANTOSYN2-PWY]
Structure
Thumb
Synonyms
  • 2-Dehydropantoate
  • ketopantoic acid
  • Ketopantoate
  • 2-Dehydropantoic acid
CAS numberNot Available
WeightAverage: 146.1412
Monoisotopic: 146.057908808
InChI KeyPKVVTUWHANFMQC-UHFFFAOYSA-N
InChIInChI=1S/C6H10O4/c1-6(2,3-7)4(8)5(9)10/h7H,3H2,1-2H3,(H,9,10)
IUPAC Name4-hydroxy-3,3-dimethyl-2-oxobutanoic acid
Traditional IUPAC Nameketopantoic acid
Chemical FormulaC6H10O4
SMILESCC(C)(CO)C(=O)C(O)=O
Chemical Taxonomy
DescriptionThis compound belongs to the class of chemical entities known as short-chain keto acids and derivatives. These are keto acids with an alkyl chain the contains less than 6 carbon atoms.
KingdomChemical entities
Super ClassOrganic compounds
ClassOrganic acids and derivatives
Sub ClassKeto acids and derivatives
Direct ParentShort-chain keto acids and derivatives
Alternative Parents
Substituents
  • Branched fatty acid
  • Hydroxy fatty acid
  • Short-chain keto acid
  • Methyl-branched fatty acid
  • Alpha-keto acid
  • Beta-hydroxy ketone
  • Fatty acyl
  • Alpha-hydroxy ketone
  • Ketone
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Primary alcohol
  • Organooxygen compound
  • Carbonyl group
  • Alcohol
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • 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 Solubility109 g/LALOGPS
logP-0.35ALOGPS
logP0.58ChemAxon
logS-0.13ALOGPS
pKa (Strongest Acidic)3.25ChemAxon
pKa (Strongest Basic)-2.8ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area74.6 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity33.47 m³·mol⁻¹ChemAxon
Polarizability13.83 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations
  • Cytoplasm
  • Mitochondrion
Organoleptic PropertiesNot Available
SMPDB Pathways
Pantothenate and CoA biosynthesisPW002463 ThumbThumb?image type=greyscaleThumb?image type=simple
KEGG Pathways
Pantothenate and CoA biosynthesisec00770 Map00770
SMPDB ReactionsNot Available
KEGG Reactions
2-Dehydropantoic acid + NADPH + hydronNADP + (R)-Pantoic acid
Alpha-Ketoisovaleric acid + water + 5,10-Methylene-THF2-Dehydropantoic acid + 5,6,7,8-Tetrahydrofolic acid
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
References
References:
  • UniProt Consortium (2011). "Ongoing and future developments at the Universal Protein Resource." Nucleic Acids Res 39:D214-D219.21051339
  • 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
Synthesis Reference:Not Available
External Links:
ResourceLink
CHEBI ID17094
HMDB IDNot Available
Pubchem Compound ID38
Kegg IDC00966
ChemSpider ID37
FOODB IDNot Available
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 3-methyl-2-oxobutanoate hydroxymethyltransferase activity
Specific function:
5,10-methylenetetrahydrofolate + 3-methyl-2- oxobutanoate + H(2)O = tetrahydrofolate + 2-dehydropantoate
Gene Name:
ECM31
Uniprot ID:
P38122
Molecular weight:
34464.69922
Reactions
5,10-methylenetetrahydrofolate + 3-methyl-2-oxobutanoate + H(2)O → tetrahydrofolate + 2-dehydropantoate.
General function:
Involved in oxidoreductase activity
Specific function:
Catalyzes the NADPH-dependent reduction of ketopantoate into pantoic acid
Gene Name:
PAN5
Uniprot ID:
P38787
Molecular weight:
42820.89844
Reactions
(R)-pantoate + NADP(+) → 2-dehydropantoate + NADPH.