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Record Information
Version4.0
StatusExpected but not Quantified
Creation Date2008-08-13 17:20:38 UTC
Update Date2017-12-07 02:00:00 UTC
HMDB IDHMDB0006869
Secondary Accession Numbers
  • HMDB06869
Metabolite Identification
Common NameS-(2-Methylbutanoyl)-dihydrolipoamide
DescriptionS-(2-Methylbutanoyl)-dihydrolipoamide-E is an intermediate in isoleucine degradation. S-(2-Methylbutanoyl)-dihydrolipoamide is normally conjugated to a lysine residue of the methylpropanoyltransferase enzyme (E stands for enzyme). The structure shown here is the free form. Specifically S-(2-Methylbutanoyl)-dihydrolipoamide-E is the 2-methylbutanoyl thioester of the reduced lipoyllysine residue in dihydrolipoyllysine-residue (2-methylpropanoyl)transferase.
Structure
Thumb
Synonyms
ValueSource
S-(2-Methylbutanoyl)dihydrolipoyllysineHMDB
[Dihydrolipoyllysine-residue (2-methylpropanoyl)transferase]HMDB
Chemical FormulaC13H25NO2S2
Average Molecular Weight291.473
Monoisotopic Molecular Weight291.132670429
IUPAC Name8-[(2-methylbutanoyl)sulfanyl]-6-sulfanyloctanamide
Traditional Name8-[(2-methylbutanoyl)sulfanyl]-6-sulfanyloctanamide
CAS Registry NumberNot Available
SMILES
CCC(C)C(=O)SCCC(S)CCCCC(N)=O
InChI Identifier
InChI=1S/C13H25NO2S2/c1-3-10(2)13(16)18-9-8-11(17)6-4-5-7-12(14)15/h10-11,17H,3-9H2,1-2H3,(H2,14,15)
InChI KeyUFNCWFSSEGPJNL-UHFFFAOYSA-N
Chemical Taxonomy
DescriptionThis compound belongs to the class of chemical entities known as fatty acyl thioesters. These are thioester derivatives of a fatty acid with the general formula RC(=O)SR', where R is the fatty acyl chain.
KingdomChemical entities
Super ClassOrganic compounds
ClassLipids and lipid-like molecules
Sub ClassFatty Acyls
Direct ParentFatty acyl thioesters
Alternative Parents
Substituents
  • Fatty acyl thioester
  • Fatty amide
  • Carboxamide group
  • Primary carboxylic acid amide
  • Thiocarboxylic acid ester
  • Carbothioic s-ester
  • Alkylthiol
  • Carboxylic acid derivative
  • Thiocarboxylic acid or derivatives
  • Sulfenyl compound
  • Organopnictogen compound
  • Organosulfur compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxygen compound
  • Carbonyl group
  • Organic oxide
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Process

Naturally occurring process:

  Biological process:

    Biochemical pathway:

    Chemical reaction:

    Biochemical process:

Disposition

Biological Location:

  Subcellular:

  Biofluid and excreta:

Source:

  Biological:

    Animal:

Route of exposure:

  Enteral:

Role

Biological role:

Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
Water Solubility0.011 g/LALOGPS
logP3.67ALOGPS
logP2.92ChemAxon
logS-4.4ALOGPS
pKa (Strongest Acidic)10.06ChemAxon
pKa (Strongest Basic)-0.58ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area60.16 ŲChemAxon
Rotatable Bond Count11ChemAxon
Refractivity81.03 m³·mol⁻¹ChemAxon
Polarizability33.5 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-052f-9440000000-877a8908188a4b9ebf15View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-05ox-1590000000-8990b01bec1542bc8685View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a70-6950000000-ec727734be57f42cd429View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a4i-9600000000-66cf65ecaa53c1f3c282View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0ab9-4590000000-2a509e71418cfb3b6499View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0ac3-9680000000-907d9cdccee37b33c93cView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9100000000-c6f4b7f06ed078762276View in MoNA
Biological Properties
Cellular Locations
  • Membrane (predicted from logP)
Biofluid LocationsNot Available
Tissue LocationNot Available
Pathways
NameSMPDB/PathwhizKEGG
2-Methyl-3-Hydroxybutryl CoA Dehydrogenase DeficiencyPw000061Pw000061 greyscalePw000061 simpleNot Available
3-Hydroxy-3-Methylglutaryl-CoA Lyase DeficiencyPw000063Pw000063 greyscalePw000063 simpleNot Available
3-Methylcrotonyl Coa Carboxylase Deficiency Type IPw000065Pw000065 greyscalePw000065 simpleNot Available
3-Methylglutaconic Aciduria Type IPw000066Pw000066 greyscalePw000066 simpleNot Available
3-Methylglutaconic Aciduria Type IIIPw000067Pw000067 greyscalePw000067 simpleNot Available
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
DrugBank Metabolite IDNot Available
Phenol Explorer Compound IDNot Available
Phenol Explorer Metabolite IDNot Available
FoodDB IDFDB024125
KNApSAcK IDNot Available
Chemspider ID389465
KEGG Compound IDC05118
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound440565
PDB IDNot Available
ChEBI ID28692
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available

Enzymes

General function:
Involved in catalytic activity
Specific function:
The branched-chain alpha-keto dehydrogenase complex catalyzes the overall conversion of alpha-keto acids to acyl-CoA and CO(2). It contains multiple copies of three enzymatic components: branched-chain alpha-keto acid decarboxylase (E1), lipoamide acyltransferase (E2) and lipoamide dehydrogenase (E3).
Gene Name:
BCKDHB
Uniprot ID:
P21953
Molecular weight:
43122.065
General function:
Involved in oxidoreductase activity, acting on the aldehyde or oxo group of donors, disulfide as acceptor
Specific function:
The branched-chain alpha-keto dehydrogenase complex catalyzes the overall conversion of alpha-keto acids to acyl-CoA and CO(2). It contains multiple copies of three enzymatic components: branched-chain alpha-keto acid decarboxylase (E1), lipoamide acyltransferase (E2) and lipoamide dehydrogenase (E3).
Gene Name:
BCKDHA
Uniprot ID:
P12694
Molecular weight:
50470.58
General function:
Involved in acyltransferase activity
Specific function:
The branched-chain alpha-keto dehydrogenase complex catalyzes the overall conversion of alpha-keto acids to acyl-CoA and CO(2). It contains multiple copies of three enzymatic components: branched-chain alpha-keto acid decarboxylase (E1), lipoamide acyltransferase (E2) and lipoamide dehydrogenase (E3).
Gene Name:
DBT
Uniprot ID:
P11182
Molecular weight:
53486.635