Record Information
Version1.0
Creation Date2016-10-03 17:38:53 UTC
Update Date2020-05-11 19:38:33 UTC
BMDB IDBMDB0009256
Secondary Accession Numbers
  • BMDB09256
Metabolite Identification
Common NamePE(20:1(11Z)/18:1(11Z))
DescriptionPE(20:1(11Z)/18:1(11Z)) is a phosphatidylethanolamine. It is a glycerophospholipid in which a phosphorylethanolamine moiety occupies a glycerol substitution site. As is the case with diacylglycerols, glycerophosphoethanolamines can have many different combinations of fatty acids of varying lengths and saturation attached to the C-1 and C-2 atoms. PE(20:1(11Z)/18:1(11Z)), in particular, consists of one 11Z-eicosenoyl chain to the C-1 atom, and one 11Z-octadecenoyl to the C-2 atom. While most phospholipids have a saturated fatty acid on C-1 and an unsaturated fatty acid on C-2 of the glycerol backbone, the fatty acid distribution at the C-1 and C-2 positions of glycerol within phospholipids is continually in flux, owing to phospholipid degradation and the continuous phospholipid remodeling that occurs while these molecules are in membranes. PEs are neutral zwitterions at physiological pH. They mostly have palmitic or stearic acid on carbon 1 and a long chain unsaturated fatty acid (e.g. 18:2, 20:4 and 22:6) on carbon 2. PE synthesis can occur via two pathways. The first requires that ethanolamine be activated by phosphorylation and then coupled to CDP. The ethanolamine is then transferred from CDP-ethanolamine to phosphatidic acid to yield PE. The second involves the decarboxylation of PS.
Structure
Thumb
Synonyms
ValueSource
PE(38:2)HMDB
Phophatidylethanolamine(20:1/18:1)HMDB
GPEtn(38:2)HMDB
1-Eicosenoyl-2-vaccenoyl-sn-glycero-3-phosphoethanolamineHMDB
PE(20:1/18:1)HMDB
Phophatidylethanolamine(38:2)HMDB
GPEtn(20:1/18:1)HMDB
1-(11-Eicosenoyl)-2-(11Z-octadecenoyl)-sn-glycero-3-phosphoethanolamineHMDB
PE(20:1(11Z)/18:1(11Z))Lipid Annotator
Chemical FormulaC43H82NO8P
Average Molecular Weight772.0868
Monoisotopic Molecular Weight771.577805117
IUPAC Name(2-aminoethoxy)[(2R)-3-[(11Z)-icos-11-enoyloxy]-2-[(11Z)-octadec-11-enoyloxy]propoxy]phosphinic acid
Traditional Name2-aminoethoxy(2R)-3-[(11Z)-icos-11-enoyloxy]-2-[(11Z)-octadec-11-enoyloxy]propoxyphosphinic acid
CAS Registry NumberNot Available
SMILES
[H][C@@](COC(=O)CCCCCCCCC\C=C/CCCCCCCC)(COP(O)(=O)OCCN)OC(=O)CCCCCCCCC\C=C/CCCCCC
InChI Identifier
InChI=1S/C43H82NO8P/c1-3-5-7-9-11-13-15-17-19-20-22-23-25-27-29-31-33-35-42(45)49-39-41(40-51-53(47,48)50-38-37-44)52-43(46)36-34-32-30-28-26-24-21-18-16-14-12-10-8-6-4-2/h14,16-17,19,41H,3-13,15,18,20-40,44H2,1-2H3,(H,47,48)/b16-14-,19-17-/t41-/m1/s1
InChI KeyGKXLKICEHUALBW-GMUXBFKVSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as phosphatidylethanolamines. These are glycerophosphoetahnolamines in which two fatty acids are bonded to the glycerol moiety through ester linkages.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassGlycerophospholipids
Sub ClassGlycerophosphoethanolamines
Direct ParentPhosphatidylethanolamines
Alternative Parents
Substituents
  • Diacylglycero-3-phosphoethanolamine
  • Phosphoethanolamine
  • Fatty acid ester
  • Dialkyl phosphate
  • Dicarboxylic acid or derivatives
  • Organic phosphoric acid derivative
  • Phosphoric acid ester
  • Alkyl phosphate
  • Fatty acyl
  • Amino acid or derivatives
  • Carboxylic acid ester
  • Carboxylic acid derivative
  • Organopnictogen compound
  • Organic oxygen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Amine
  • Primary aliphatic amine
  • Organic nitrogen compound
  • Primary amine
  • Carbonyl group
  • Organic oxide
  • Hydrocarbon derivative
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Ontology
StatusExpected but not Quantified
Origin
  • Endogenous
  • Exogenous
BiofunctionNot Available
ApplicationNot Available
Cellular locations
  • Cell membrane
  • Intracellular membrane
  • Membrane
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP9.16ALOGPS
logP12.39ChemAxon
logS-7.2ALOGPS
pKa (Strongest Acidic)1.87ChemAxon
pKa (Strongest Basic)10ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area134.38 ŲChemAxon
Rotatable Bond Count43ChemAxon
Refractivity220.84 m³·mol⁻¹ChemAxon
Polarizability94.84 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-00di-0011000900-c7d6e6ebac2ebeaad137View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00di-0011000900-c7d6e6ebac2ebeaad137View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0ac0-0399410600-89dfcc004ff784cc341aView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00di-0000001900-6c7e06d23a611a3c1e7aView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0089-0003419700-c78a6878ca2a2d7c40e1View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-001i-0003419300-a8f0964874102ad3a309View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0006-0000001900-d3c5ab252c393ddcfcf0View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0f6x-0000001900-734c95f48b4fb6e56406View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0udi-0100201900-27e303f5396e83879431View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-00di-0011000900-f61973bfcb6af733e84fView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00di-0011000900-f61973bfcb6af733e84fView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0ac0-0399410600-24d222693358f329bec3View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00di-0000001900-bae13b9b3cc7d7e251d2View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0089-0003419700-9b328be8ba6898115c62View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-001i-0003419300-cecfc4c4d69cef2132cdView in MoNA
Biological Properties
Cellular Locations
  • Cell membrane
  • Intracellular membrane
  • Membrane
Biospecimen Locations
  • All Tissues
  • Brain
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
All TissuesExpected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
BrainExpected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
Abnormal Concentrations
Not Available
HMDB IDHMDB0009256
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound53479718
PDB IDNot Available
ChEBI IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available