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Record Information
Version4.0
StatusExpected but not Quantified
Creation Date2009-02-03 11:20:53 UTC
Update Date2017-12-07 02:32:04 UTC
HMDB IDHMDB0011661
Secondary Accession Numbers
  • HMDB11661
Metabolite Identification
Common Name2-Octaprenyl-3-methyl-6-methoxy-1,4-benzoquinol
Description2-octaprenyl-3-methyl-6-methoxy-1,4-benzoquinol (DMQH2) is an intermediate in coenzyme Q biosynthesis. It is produced by gut microbes. In microbes, the starting compound, 4-hydroxybenzoate, undergoes a prenylation, a decarboxylation and three hydroxylations alternating with three methylation reactions, resulting in the formation of coenzyme Q. In the final step, DMQH2 is converted from 2-octaprenyl-6-methoxy-1,4-benzoquinol (DDMQH2) with the help of Methyltransferase. Coenzyme Q (ubiquinone or Q) is a redox active lipid containing a long polyprenyl tail attached to a fully substituted benzoquinone ring. The number (n) of isoprene units in the polyprenyl tail (Qn) is distinct in different organisms; humans produce Q10, Caenorhabditis elegans Q9, Escherichia coli Q8, and Saccharomyces cerevisiae Q6.
Structure
Thumb
Synonyms
ValueSource
2-Polyprenyl-3-methyl-6-methoxy-1,4-benzoquinolHMDB
5-DemethoxyubiquinolHMDB
DMQH2HMDB
Chemical FormulaC38H60O3
Average Molecular Weight564.8812
Monoisotopic Molecular Weight564.454245786
IUPAC Name3-[(2E,6E,10E,14E,18E)-3,7,11,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaen-1-yl]-5-methoxy-2-methylcyclohexa-2,5-diene-1,4-diol
Traditional Name3-[(2E,6E,10E,14E,18E)-3,7,11,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaen-1-yl]-5-methoxy-2-methylcyclohexa-2,5-diene-1,4-diol
CAS Registry NumberNot Available
SMILES
COC1=CC(O)C(C)=C(C\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CCC=C(C)C)C1O
InChI Identifier
InChI=1S/C38H60O3/c1-28(2)15-10-16-29(3)17-11-18-30(4)19-12-20-31(5)21-13-22-32(6)23-14-24-33(7)25-26-35-34(8)36(39)27-37(41-9)38(35)40/h15,17,19,21,23,25,27,36,38-40H,10-14,16,18,20,22,24,26H2,1-9H3/b29-17+,30-19+,31-21+,32-23+,33-25+
InChI KeyVFOCBGJJNKIBIS-NSUIJKAQSA-N
Chemical Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as sesterterpenoids. These are terpenes composed of five consecutive isoprene units.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassSesterterpenoids
Direct ParentSesterterpenoids
Alternative Parents
Substituents
  • Sesterterpenoid
  • Secondary alcohol
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Alcohol
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External DescriptorsNot Available
Ontology
Disposition

Route of exposure:

Biological location:

Source:

Process

Naturally occurring process:

Role

Industrial application:

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 Solubility0.00056 g/LALOGPS
logP7.59ALOGPS
logP9.24ChemAxon
logS-6ALOGPS
pKa (Strongest Acidic)13.24ChemAxon
pKa (Strongest Basic)-3.2ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area49.69 ŲChemAxon
Rotatable Bond Count18ChemAxon
Refractivity185.98 m³·mol⁻¹ChemAxon
Polarizability72.38 ųChemAxon
Number of Rings1ChemAxon
Bioavailability0ChemAxon
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, Positivesplash10-0002-3194870000-f376c877f913384df2d9View in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-00di-4164649000-df8cfbdde889094079fbView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00kb-0211090000-a88d70d7fa08aba7f687View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-002e-0948130000-9f045c02a5cc0b076a8eView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0f6t-3579500000-7f6e268857370ad314dbView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-03di-0000090000-cafd6f4c9ab3e0f8609aView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-03dj-0000090000-4477ceedb68c42a6d419View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-000t-4200290000-e3037013dce1ef0a0c28View in MoNA
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane
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
FoodDB IDFDB028352
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDCPD-9871
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound53481017
PDB IDNot Available
ChEBI IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
  2. Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
  3. Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
  4. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
  5. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.