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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2008-09-15 09:55:05 UTC
Update Date2021-09-14 15:46:13 UTC
HMDB IDHMDB0010209
Secondary Accession Numbers
  • HMDB10209
Metabolite Identification
Common Name15-HEPE
Description15-HEPE has been identified as a possible anti-inflammatory metabolite, and its elevated presence in the epidermis of animals fed oils rich in 20:5(n-3) or 18:3(n-6) may provide a mechanism for the beneficial effects of these oils on inflammatory conditions. 15-HEPE is a metabolite of eicosapentaenoic acid (EPA) which has anti-inflammatory properties and plays an important role in the resolution phase of inflammation. 15-HEPE is deposited in the epidermis, particularly in the metabolically active basal layer. This is considered advantageous in psoriasis therapy. (PMID: 17540633 , 2106017 ).
Structure
Data?1582752797
Synonyms
ValueSource
(15R)-15-Hydroxyeicosa-5Z,8Z,11Z,13E,17Z-pentaenoateHMDB
(15R)-15-Hydroxyeicosa-5Z,8Z,11Z,13E,17Z-pentaenoic acidHMDB
(15S)-15-Hydroxyeicosa-5Z,8Z,11Z,13E,17Z-pentaenoateHMDB
(15S)-15-Hydroxyeicosa-5Z,8Z,11Z,13E,17Z-pentaenoic acidHMDB
15(R)-HEPEHMDB
15(S)-HEPEHMDB
15-Hydroxy-5,8,11,13,17-eicosapentaenoateHMDB
15-Hydroxy-5,8,11,13,17-eicosapentaenoic acidHMDB
15-HydroxyeicosapentaenoateHMDB
15-Hydroxyeicosapentaenoic acidHMDB
Chemical FormulaC20H30O3
Average Molecular Weight318.4504
Monoisotopic Molecular Weight318.219494826
IUPAC Name(5Z,8Z,11Z,13E,17Z)-16-hydroxyicosa-5,8,11,13,17-pentaenoic acid
Traditional Name(5Z,8Z,11Z,13E,17Z)-16-hydroxyicosa-5,8,11,13,17-pentaenoic acid
CAS Registry Number97850-14-1
SMILES
CC\C=C/C(O)C\C=C\C=C/C\C=C/C\C=C/CCCC(O)=O
InChI Identifier
InChI=1S/C20H30O3/c1-2-3-16-19(21)17-14-12-10-8-6-4-5-7-9-11-13-15-18-20(22)23/h3-5,8-12,14,16,19,21H,2,6-7,13,15,17-18H2,1H3,(H,22,23)/b5-4-,10-8-,11-9-,14-12+,16-3-
InChI KeyUDXLGBLAJBYLSZ-XBCQTNLFSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as hydroxyeicosapentaenoic acids. These are eicosanoic acids with an attached hydroxyl group and five CC double bonds.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassEicosanoids
Direct ParentHydroxyeicosapentaenoic acids
Alternative Parents
Substituents
  • Hydroxyeicosapentaenoic acid
  • Long-chain fatty acid
  • Hydroxy fatty acid
  • Fatty acid
  • Unsaturated fatty acid
  • Secondary alcohol
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organic oxide
  • Organic oxygen compound
  • Alcohol
  • Hydrocarbon derivative
  • Carbonyl group
  • Organooxygen compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Ontology
Not AvailableNot 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 Solubility0.003 g/LALOGPS
logP5.55ALOGPS
logP4.99ChemAxon
logS-5ALOGPS
pKa (Strongest Acidic)4.82ChemAxon
pKa (Strongest Basic)-1.6ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area57.53 ŲChemAxon
Rotatable Bond Count13ChemAxon
Refractivity102.59 m³·mol⁻¹ChemAxon
Polarizability38.01 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]+185.98331661259
DarkChem[M-H]-186.80331661259
DeepCCS[M+H]+183.81830932474
DeepCCS[M-H]-181.4630932474
DeepCCS[M-2H]-214.34730932474
DeepCCS[M+Na]+189.91230932474
AllCCS[M+H]+185.432859911
AllCCS[M+H-H2O]+182.532859911
AllCCS[M+NH4]+188.232859911
AllCCS[M+Na]+189.032859911
AllCCS[M-H]-183.132859911
AllCCS[M+Na-2H]-184.732859911
AllCCS[M+HCOO]-186.732859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
15-HEPECC\C=C/C(O)C\C=C\C=C/C\C=C/C\C=C/CCCC(O)=O4245.3Standard polar33892256
15-HEPECC\C=C/C(O)C\C=C\C=C/C\C=C/C\C=C/CCCC(O)=O2351.3Standard non polar33892256
15-HEPECC\C=C/C(O)C\C=C\C=C/C\C=C/C\C=C/CCCC(O)=O2562.9Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
15-HEPE,1TMS,isomer #1CC/C=C\C(C/C=C/C=C\C/C=C\C/C=C\CCCC(=O)O)O[Si](C)(C)C2757.2Semi standard non polar33892256
15-HEPE,1TMS,isomer #2CC/C=C\C(O)C/C=C/C=C\C/C=C\C/C=C\CCCC(=O)O[Si](C)(C)C2614.5Semi standard non polar33892256
15-HEPE,2TMS,isomer #1CC/C=C\C(C/C=C/C=C\C/C=C\C/C=C\CCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C2694.4Semi standard non polar33892256
15-HEPE,1TBDMS,isomer #1CC/C=C\C(C/C=C/C=C\C/C=C\C/C=C\CCCC(=O)O)O[Si](C)(C)C(C)(C)C2987.9Semi standard non polar33892256
15-HEPE,1TBDMS,isomer #2CC/C=C\C(O)C/C=C/C=C\C/C=C\C/C=C\CCCC(=O)O[Si](C)(C)C(C)(C)C2864.4Semi standard non polar33892256
15-HEPE,2TBDMS,isomer #1CC/C=C\C(C/C=C/C=C\C/C=C\C/C=C\CCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C3177.4Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 15-HEPE GC-MS (Non-derivatized) - 70eV, Positivesplash10-0f6x-9182000000-ceafb87ef7f18bc914d62017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 15-HEPE GC-MS (2 TMS) - 70eV, Positivesplash10-05i1-9326300000-3419bfcd6eb3a12958b62017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 15-HEPE GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 15-HEPE 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 - 15-HEPE 10V, Positive-QTOFsplash10-0udi-0059000000-8dc15ca069de44682ca92017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 15-HEPE 20V, Positive-QTOFsplash10-0piu-5393000000-745f15890cf2792b4b112017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 15-HEPE 40V, Positive-QTOFsplash10-05g3-9830000000-9e574ad248ec3d50dc132017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 15-HEPE 10V, Negative-QTOFsplash10-014i-0059000000-34299018bad23c98aff42017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 15-HEPE 20V, Negative-QTOFsplash10-05mk-2093000000-8a92b0e27bb95dea96cc2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 15-HEPE 40V, Negative-QTOFsplash10-0a4l-9040000000-b5e113a59ae2eb53aee42017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 15-HEPE 10V, Negative-QTOFsplash10-014i-0049000000-f5ec142a0faf404e6d4e2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 15-HEPE 20V, Negative-QTOFsplash10-0002-1192000000-522c58a764f0291472182021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 15-HEPE 40V, Negative-QTOFsplash10-0006-9340000000-cc81888926ff0bf803fd2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 15-HEPE 10V, Positive-QTOFsplash10-0udi-0459000000-c6826814cc998807d75c2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 15-HEPE 20V, Positive-QTOFsplash10-0ue9-3943000000-9e808383e7f699e97ccf2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 15-HEPE 40V, Positive-QTOFsplash10-05nf-7910000000-5cafe34e26fdc49417992021-09-24Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Membrane (predicted from logP)
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected and Quantified0.000197 +/- 0.000019 uMAdult (>18 years old)BothNormal details
BloodDetected and Quantified0.00028 +/- 0.000042 uMAdult (>18 years old)Both
Normal
details
BloodDetected and Quantified0.00163 +/- 0.0016 uMAdult (>18 years old)Both
Normal
details
BloodDetected and Quantified0.000287 +/- 0.000066 uMAdult (>18 years old)Not Specified
Normal
details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB027364
KNApSAcK IDNot Available
Chemspider ID35031962
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound53480357
PDB IDNot Available
ChEBI IDNot Available
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 References
  1. Zulfakar MH, Edwards M, Heard CM: Is there a role for topically delivered eicosapentaenoic acid in the treatment of psoriasis? Eur J Dermatol. 2007 Jul-Aug;17(4):284-91. Epub 2007 Jun 1. [PubMed:17540633 ]
  2. Miller CC, Ziboh VA, Wong T, Fletcher MP: Dietary supplementation with oils rich in (n-3) and (n-6) fatty acids influences in vivo levels of epidermal lipoxygenase products in guinea pigs. J Nutr. 1990 Jan;120(1):36-44. [PubMed:2106017 ]