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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2009-04-06 16:20:03 UTC
Update Date2023-02-21 17:17:40 UTC
HMDB IDHMDB0012150
Secondary Accession Numbers
  • HMDB12150
Metabolite Identification
Common Name2-Keto-6-acetamidocaproate
Description2-Keto-6-acetamidocaproate is an intermediate in lysine degradation. It can be generated from N6-acetyl-L-lysine. N-acetyl-lysine is an acetylated amino acid. Post-translational lysine-acetylation is one of two major modifications of lysine residues in various proteins. Acetylation of specific lysine residues in the N-terminal domains of core histones is a biochemical marker of active genes. Acetylation is now known to play a major role in eukaryotic transcription. Specifically, acetyltransferase enzymes that act on particular lysine side chains of histones and other proteins are intimately involved in transcriptional activation. N6-acetyl-L-lysine can be converted to 2-Keto-6-acetamidocaproate via the enzyme N6-acetyllysine aminotransferase and then 2-keto-6-acetamidocaproate can be reduced enzymatically to 5-acetamidovalerate.
Structure
Data?1676999860
Synonyms
ValueSource
2-Keto-6-acetamidocaproic acidChEBI
2-Keto-6-acetamidohexanoic acidChEBI
2-oxo-6-Acetamidocaproic acidChEBI
2-oxo-6-AcetamidocaproateKegg
2-Keto-6-acetamidohexanoateGenerator
3-Keto-6-acetamidohexanoateMeSH
6-acetamido-2-OxohexanoateHMDB, Generator
6-acetamido-2-Oxohexanoic acidHMDB
2-Keto-6-acetamidocaproateGenerator
Chemical FormulaC8H13NO4
Average Molecular Weight187.1931
Monoisotopic Molecular Weight187.084457909
IUPAC Name6-acetamido-2-oxohexanoic acid
Traditional Name6-acetamido-2-oxohexanoic acid
CAS Registry NumberNot Available
SMILES
CC(=O)NCCCCC(=O)C(O)=O
InChI Identifier
InChI=1S/C8H13NO4/c1-6(10)9-5-3-2-4-7(11)8(12)13/h2-5H2,1H3,(H,9,10)(H,12,13)
InChI KeyNGCXIFFZXAZRAF-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as medium-chain keto acids and derivatives. These are keto acids with a 6 to 12 carbon atoms long side chain.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassKeto acids and derivatives
Sub ClassMedium-chain keto acids and derivatives
Direct ParentMedium-chain keto acids and derivatives
Alternative Parents
Substituents
  • Medium-chain keto acid
  • Amino fatty acid
  • Alpha-keto acid
  • Fatty acyl
  • Alpha-hydroxy ketone
  • Acetamide
  • Carboxamide group
  • Ketone
  • Secondary carboxylic acid amide
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organonitrogen compound
  • Organic oxide
  • Organic nitrogen compound
  • Carbonyl group
  • Organopnictogen compound
  • Organooxygen compound
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility2.75 g/LALOGPS
logP-0.1ALOGPS
logP-0.069ChemAxon
logS-1.8ALOGPS
pKa (Strongest Acidic)3.36ChemAxon
pKa (Strongest Basic)-0.63ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area83.47 ŲChemAxon
Rotatable Bond Count6ChemAxon
Refractivity44.85 m³·mol⁻¹ChemAxon
Polarizability18.88 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+145.4831661259
DarkChem[M-H]-138.94731661259
DeepCCS[M+H]+139.06630932474
DeepCCS[M-H]-135.23830932474
DeepCCS[M-2H]-172.65130932474
DeepCCS[M+Na]+148.24730932474
AllCCS[M+H]+141.532859911
AllCCS[M+H-H2O]+137.832859911
AllCCS[M+NH4]+145.032859911
AllCCS[M+Na]+146.032859911
AllCCS[M-H]-141.032859911
AllCCS[M+Na-2H]-142.332859911
AllCCS[M+HCOO]-143.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
2-Keto-6-acetamidocaproateCC(=O)NCCCCC(=O)C(O)=O2646.6Standard polar33892256
2-Keto-6-acetamidocaproateCC(=O)NCCCCC(=O)C(O)=O1823.7Standard non polar33892256
2-Keto-6-acetamidocaproateCC(=O)NCCCCC(=O)C(O)=O1765.1Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
2-Keto-6-acetamidocaproate,1TMS,isomer #1CC(=O)NCCCCC(=O)C(=O)O[Si](C)(C)C1753.8Semi standard non polar33892256
2-Keto-6-acetamidocaproate,1TMS,isomer #2CC(=O)NCCCC=C(O[Si](C)(C)C)C(=O)O1880.6Semi standard non polar33892256
2-Keto-6-acetamidocaproate,1TMS,isomer #3CC(=O)N(CCCCC(=O)C(=O)O)[Si](C)(C)C1827.4Semi standard non polar33892256
2-Keto-6-acetamidocaproate,2TMS,isomer #1CC(=O)NCCCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C1906.0Semi standard non polar33892256
2-Keto-6-acetamidocaproate,2TMS,isomer #1CC(=O)NCCCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C1847.3Standard non polar33892256
2-Keto-6-acetamidocaproate,2TMS,isomer #1CC(=O)NCCCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C2138.2Standard polar33892256
2-Keto-6-acetamidocaproate,2TMS,isomer #2CC(=O)N(CCCCC(=O)C(=O)O[Si](C)(C)C)[Si](C)(C)C1804.2Semi standard non polar33892256
2-Keto-6-acetamidocaproate,2TMS,isomer #2CC(=O)N(CCCCC(=O)C(=O)O[Si](C)(C)C)[Si](C)(C)C1789.7Standard non polar33892256
2-Keto-6-acetamidocaproate,2TMS,isomer #2CC(=O)N(CCCCC(=O)C(=O)O[Si](C)(C)C)[Si](C)(C)C2008.6Standard polar33892256
2-Keto-6-acetamidocaproate,2TMS,isomer #3CC(=O)N(CCCC=C(O[Si](C)(C)C)C(=O)O)[Si](C)(C)C1914.9Semi standard non polar33892256
2-Keto-6-acetamidocaproate,2TMS,isomer #3CC(=O)N(CCCC=C(O[Si](C)(C)C)C(=O)O)[Si](C)(C)C1944.6Standard non polar33892256
2-Keto-6-acetamidocaproate,2TMS,isomer #3CC(=O)N(CCCC=C(O[Si](C)(C)C)C(=O)O)[Si](C)(C)C2224.9Standard polar33892256
2-Keto-6-acetamidocaproate,3TMS,isomer #1CC(=O)N(CCCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C)[Si](C)(C)C1873.5Semi standard non polar33892256
2-Keto-6-acetamidocaproate,3TMS,isomer #1CC(=O)N(CCCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C)[Si](C)(C)C1897.6Standard non polar33892256
2-Keto-6-acetamidocaproate,3TMS,isomer #1CC(=O)N(CCCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C)[Si](C)(C)C1923.2Standard polar33892256
2-Keto-6-acetamidocaproate,1TBDMS,isomer #1CC(=O)NCCCCC(=O)C(=O)O[Si](C)(C)C(C)(C)C2034.4Semi standard non polar33892256
2-Keto-6-acetamidocaproate,1TBDMS,isomer #2CC(=O)NCCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O2136.8Semi standard non polar33892256
2-Keto-6-acetamidocaproate,1TBDMS,isomer #3CC(=O)N(CCCCC(=O)C(=O)O)[Si](C)(C)C(C)(C)C2039.2Semi standard non polar33892256
2-Keto-6-acetamidocaproate,2TBDMS,isomer #1CC(=O)NCCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2388.8Semi standard non polar33892256
2-Keto-6-acetamidocaproate,2TBDMS,isomer #1CC(=O)NCCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2236.9Standard non polar33892256
2-Keto-6-acetamidocaproate,2TBDMS,isomer #1CC(=O)NCCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C2327.4Standard polar33892256
2-Keto-6-acetamidocaproate,2TBDMS,isomer #2CC(=O)N(CCCCC(=O)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2272.2Semi standard non polar33892256
2-Keto-6-acetamidocaproate,2TBDMS,isomer #2CC(=O)N(CCCCC(=O)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2229.2Standard non polar33892256
2-Keto-6-acetamidocaproate,2TBDMS,isomer #2CC(=O)N(CCCCC(=O)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2264.9Standard polar33892256
2-Keto-6-acetamidocaproate,2TBDMS,isomer #3CC(=O)N(CCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O)[Si](C)(C)C(C)(C)C2369.1Semi standard non polar33892256
2-Keto-6-acetamidocaproate,2TBDMS,isomer #3CC(=O)N(CCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O)[Si](C)(C)C(C)(C)C2322.6Standard non polar33892256
2-Keto-6-acetamidocaproate,2TBDMS,isomer #3CC(=O)N(CCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O)[Si](C)(C)C(C)(C)C2398.9Standard polar33892256
2-Keto-6-acetamidocaproate,3TBDMS,isomer #1CC(=O)N(CCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2544.2Semi standard non polar33892256
2-Keto-6-acetamidocaproate,3TBDMS,isomer #1CC(=O)N(CCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2442.4Standard non polar33892256
2-Keto-6-acetamidocaproate,3TBDMS,isomer #1CC(=O)N(CCCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C2322.4Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 2-Keto-6-acetamidocaproate GC-MS (Non-derivatized) - 70eV, Positivesplash10-0006-9200000000-d77cc429a6b80831b2e42017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Keto-6-acetamidocaproate GC-MS (1 TMS) - 70eV, Positivesplash10-0006-9120000000-24931882682cc9ca45572017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Keto-6-acetamidocaproate GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Keto-6-acetamidocaproate GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 10V, Positive-QTOFsplash10-00g4-0900000000-6d348a4fb73306ffc1cc2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 20V, Positive-QTOFsplash10-00ba-4900000000-59ff96e4bdcba1a928c62017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 40V, Positive-QTOFsplash10-0abc-9100000000-ceec5d761829d1e1d9b42017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 10V, Negative-QTOFsplash10-000l-1900000000-4b2f9cf7c679af8556dc2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 20V, Negative-QTOFsplash10-0006-3900000000-ccfc2e6d68e971b0dde32017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 40V, Negative-QTOFsplash10-0a4l-9000000000-6d27ffe991d97f72e3f82017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 10V, Negative-QTOFsplash10-000i-1900000000-4b397e6e0e66676db95c2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 20V, Negative-QTOFsplash10-0a4i-9600000000-79719ba078d6d91f68d82021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 40V, Negative-QTOFsplash10-052f-9000000000-6e1d74558f5e97910e392021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 10V, Positive-QTOFsplash10-03dr-3900000000-cd27d484decdb85b9ec62021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 20V, Positive-QTOFsplash10-0a4i-9100000000-c0fbc4e876c6503b48832021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Keto-6-acetamidocaproate 40V, Positive-QTOFsplash10-0a4i-9000000000-54ba22f9aeb5e3d15cb62021-09-22Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-29Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-)2023-02-03FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-03FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-03FELIX labView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB028807
KNApSAcK IDNot Available
Chemspider ID168403
KEGG Compound IDC05548
BioCyc ID2-KETO-6-ACETAMIDOCAPROATE
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound194080
PDB IDNot Available
ChEBI ID28376
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available