Record Information
Version 1.0
Update Date 1/22/2018 11:54:53 AM
Metabolite IDPAMDB001838
Identification
Name: Vaccenic acid
Description:Vaccenic acid is an unsaturated 18 chain fatty acid (18:1n7) is present at about 25% of the concentration of 18:1n9 in most phospholipids. A notable exception is the phospholipid cardiolipin, which often contains as much 18:1n7 as 18:1n9.
Structure
Thumb
Synonyms:
  • (11Z)-Octadecenoate
  • (11Z)-Octadecenoic acid
  • (Z)-Octadec-11-enoate
  • (Z)-Octadec-11-enoic acid
  • 11-Octadecenoate
  • 11-Octadecenoic acid
  • 11Z-octadecenoate
  • 11Z-octadecenoic acid
  • 18:1 trans-11.
  • Trans-11-octadecenoate
  • Trans-11-octadecenoic acid
  • Vaccenate
Chemical Formula: C18H34O2
Average Molecular Weight: 282.4614
Monoisotopic Molecular Weight: 282.255880332
InChI Key: UWHZIFQPPBDJPM-FPLPWBNLSA-N
InChI:InChI=1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h7-8H,2-6,9-17H2,1H3,(H,19,20)/b8-7-
CAS number: 693-72-1
IUPAC Name:(11Z)-octadec-11-enoic acid
Traditional IUPAC Name: cis-vaccenic acid
SMILES:CCCCCC\C=C/CCCCCCCCCC(O)=O
Chemical Taxonomy
Taxonomy DescriptionThis compound belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms.
Kingdom Organic compounds
Super ClassLipids and lipid-like molecules
Class Fatty Acyls
Sub ClassFatty acids and conjugates
Direct Parent Long-chain fatty acids
Alternative Parents
Substituents
  • Long-chain fatty acid
  • Unsaturated fatty acid
  • Straight chain fatty acid
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular Framework Aliphatic acyclic compounds
External Descriptors
Physical Properties
State: Solid
Charge:-1
Melting point: 44 °C
Experimental Properties:
PropertyValueSource
Predicted Properties
PropertyValueSource
Water Solubility0.000123 mg/mLALOGPS
logP7.67ALOGPS
logP6.78ChemAxon
logS-6.4ALOGPS
pKa (Strongest Acidic)4.95ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 Å2ChemAxon
Rotatable Bond Count15ChemAxon
Refractivity87.4 m3·mol-1ChemAxon
Polarizability37.1 Å3ChemAxon
Number of Rings0ChemAxon
Bioavailability0ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations: Membrane
Reactions:
Pathways:
Spectra
Spectra:
Spectrum TypeDescriptionSplash Key
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-001i-0090000000-dee621bf09f57d88e5edView in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-001i-9340000000-654e2ea72d5477e26606View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-0aou-9000000000-413d3363f22e7baf1df7View in MoNA
MSMass Spectrum (Electron Ionization)splash10-0apl-9200000000-f39f178414756ab6ad8aView in MoNA
1D NMR1H NMR SpectrumNot Available
2D NMR[1H,13C] 2D NMR SpectrumNot Available
References
References:
  • Schatowitz B, Gercken G: Simultaneous determination of C2-C22 non-esterified fatty acids and other metabolically relevant carboxylic acids in biological material by gas chromatography of their benzyl esters. J Chromatogr. 1988 Mar 18;425(2):257-68. Pubmed: 3372640
  • van der Werf, M. J., Overkamp, K. M., Muilwijk, B., Coulier, L., Hankemeier, T. (2007). "Microbial metabolomics: toward a platform with full metabolome coverage." Anal Biochem 370:17-25. Pubmed: 17765195
  • Yurtsever D. (2007). Fatty acid methyl ester profiling of Enterococcus and Esherichia coli for microbial source tracking. M.sc. Thesis. Villanova University: U.S.A
Synthesis Reference: Not Available
Material Safety Data Sheet (MSDS) Download (PDF)
External Links:
ResourceLink
CHEBI ID28727
HMDB IDHMDB03231
Pubchem Compound ID5282760
Kegg IDC08367
ChemSpider ID4445888
WikipediaVaccenic acid
BioCyc IDNot Available
Ligand ExpoVCA

Enzymes

General function:
Involved in transferase activity
Specific function:
Malonyl-CoA + [acyl-carrier-protein] = CoA + malonyl-[acyl-carrier-protein]
Gene Name:
fabD
Locus Tag:
PA2968
Molecular weight:
32.4 kDa
Reactions
Malonyl-CoA + [acyl-carrier-protein] = CoA + malonyl-[acyl-carrier-protein].
General function:
Involved in hydrolase activity
Specific function:
Hydrolyzes only long chain acyl thioesters (C12-C18). Specificity similar to chymotrypsin
Gene Name:
tesA
Locus Tag:
PA2856
Molecular weight:
21 kDa
Reactions
2-lysophosphatidylcholine + H(2)O = glycerophosphocholine + a carboxylate.
General function:
Involved in catalytic activity
Specific function:
Catalyzes the esterification, concomitant with transport, of exogenous long-chain fatty acids into metabolically active CoA thioesters for subsequent degradation or incorporation into phospholipids
Gene Name:
fadD
Locus Tag:
PA3299
Molecular weight:
61.7 kDa
Reactions
ATP + a long-chain fatty acid + CoA = AMP + diphosphate + an acyl-CoA.
General function:
Involved in fatty acid biosynthetic process
Specific function:
Carrier of the growing fatty acid chain in fatty acid biosynthesis
Gene Name:
acpP
Locus Tag:
PA2966
Molecular weight:
8.7 kDa