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Identification
YMDB IDYMDB00884
NameLinoleic acid
SpeciesSaccharomyces cerevisiae
StrainBaker's yeast
DescriptionLinoelaidic acid, also known as linoelaidate, belongs to the class of organic compounds known as lineolic acids and derivatives. These are derivatives of lineolic acid. Lineolic acid is a polyunsaturated omega-6 18 carbon long fatty acid, with two CC double bonds at the 9- and 12-positions. Linoelaidic acid is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral.
Structure
Thumb
Synonyms
  • (9Z,12Z)-9,12-Octadecadienoate
  • (9Z,12Z)-9,12-Octadecadienoic acid
  • (Z,Z)-9,12-Octadecadienoate
  • (Z,Z)-9,12-Octadecadienoic acid
  • 9-cis,12-cis-Linoleate
  • 9-cis,12-cis-Linoleic acid
  • 9Z,12Z-Linoleate
  • 9Z,12Z-Linoleic acid
  • 9Z,12Z-Octadecadienoate
  • 9Z,12Z-Octadecadienoic acid
  • all-cis-9,12-Octadecadienoate
  • all-cis-9,12-Octadecadienoic acid
  • cis-9,cis-12-Octadecadienoate
  • cis-9,cis-12-Octadecadienoic acid
  • cis-D9,12-Octadecadienoate
  • cis-D9,12-Octadecadienoic acid
  • cis,cis-Linoleate
  • cis,cis-Linoleic acid
  • Linolate
  • Linoleate
  • Linoleic acid
  • Linolic acid
  • 18:2, N-6,9 all-trans
  • 9E,12E-Octadecadienoic acid
  • C18:2, N-6,9 all-trans
  • trans-9,trans-12-Linoleic acid
  • 9E,12E-Octadecadienoate
  • trans-9,trans-12-Linoleate
  • Linoelaidate
  • (9E,12E)-9,12-Octadecadienoate
  • (9E,12E)-9,12-Octadecadienoic acid
  • 9,12-Octadecadienoic acid
  • Linoleic acid, (Z,Z)-isomer, 14C-labeled
  • Linolelaidic acid
  • cis,cis-9,12-Octadecadienoic acid
  • Linoleic acid, (e,e)-isomer
  • Linoleic acid, (Z,Z)-isomer
  • Linoleic acid, ammonium salt, (Z,Z)-isomer
  • Linoleic acid, potassium salt, (Z,Z)-isomer
  • Linoelaidic acid, (e,Z)-isomer
  • 9 trans,12 trans Octadecadienoic acid
  • Linoleic acid, sodium salt, (e,e)-isomer
  • Linoleic acid, sodium salt, (Z,Z)-isomer
  • Acid, 9,12-octadecadienoic
  • trans,trans-9,12-Octadecadienoic acid
  • Linoleic acid, (Z,e)-isomer
  • 9,12 Octadecadienoic acid
  • Linoleic acid, calcium salt, (Z,Z)-isomer
  • 9-trans,12-trans-Octadecadienoic acid
CAS number60-33-3
WeightAverage: 280.4455
Monoisotopic: 280.240230268
InChI KeyOYHQOLUKZRVURQ-AVQMFFATSA-N
InChIInChI=1S/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h6-7,9-10H,2-5,8,11-17H2,1H3,(H,19,20)/b7-6+,10-9+
IUPAC Name(9E,12E)-octadeca-9,12-dienoic acid
Traditional IUPAC Namelinoelaidic acid
Chemical FormulaC18H32O2
SMILES[H]OC(=O)C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])=C([H])C([H])([H])C([H])=C([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H]
Chemical Taxonomy
Description belongs to the class of organic compounds known as lineolic acids and derivatives. These are derivatives of lineolic acid. Lineolic acid is a polyunsaturated omega-6 18 carbon long fatty acid, with two CC double bonds at the 9- and 12-positions.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassLineolic acids and derivatives
Direct ParentLineolic acids and derivatives
Alternative Parents
Substituents
  • Octadecanoid
  • Long-chain fatty acid
  • Fatty acid
  • Unsaturated fatty acid
  • Straight chain fatty acid
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Physical Properties
StateLiquid
Charge0
Melting point-8.5 °C
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogP7.05 [SANGSTER (1993)]PhysProp
Predicted Properties
PropertyValueSource
Water Solubility0.00015 g/LALOGPS
logP7.06ALOGPS
logP6.42ChemAxon
logS-6.3ALOGPS
pKa (Strongest Acidic)4.99ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count14ChemAxon
Refractivity88.52 m³·mol⁻¹ChemAxon
Polarizability36.8 ųChemAxon
Number of Rings0ChemAxon
Bioavailability0ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations
  • cell envelope
  • mitochondrion
  • extracellular
  • endoplasmic reticulum
  • lipid particle
  • cytoplasm
Organoleptic Properties
Flavour/OdourSource
FaintFDB023868
FattyFDB023868
SMPDB Pathways
Biosynthesis of unsaturated fatty acidsPW002403 ThumbThumb?image type=greyscaleThumb?image type=simple
KEGG Pathways
Biosynthesis of unsaturated fatty acidsec01040 Map01040
Linoleic acid metabolismec00591 Map00591
SMPDB ReactionsNot Available
KEGG Reactions
Adenosine triphosphate + Linoleic acid + Coenzyme AAdenosine monophosphate + Pyrophosphate
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
References
References:
  • Herrgard, M. J., Swainston, N., Dobson, P., Dunn, W. B., Arga, K. Y., Arvas, M., Bluthgen, N., Borger, S., Costenoble, R., Heinemann, M., Hucka, M., Le Novere, N., Li, P., Liebermeister, W., Mo, M. L., Oliveira, A. P., Petranovic, D., Pettifer, S., Simeonidis, E., Smallbone, K., Spasic, I., Weichart, D., Brent, R., Broomhead, D. S., Westerhoff, H. V., Kirdar, B., Penttila, M., Klipp, E., Palsson, B. O., Sauer, U., Oliver, S. G., Mendes, P., Nielsen, J., Kell, D. B. (2008). "A consensus yeast metabolic network reconstruction obtained from a community approach to systems biology." Nat Biotechnol 26:1155-1160.18846089
Synthesis Reference:Walborsky, Harry M.; Davis, Robert H.; Howton, David R. A total synthesis of linoleic acid. Journal of the American Chemical Society (1951), 73 2590-4.
External Links:
ResourceLink
CHEBI ID17351
HMDB IDHMDB00673
Pubchem Compound ID3931
Kegg IDC01595
ChemSpider ID24841863
FOODB IDFDB023868
WikipediaLinoleic_acid
BioCyc IDLINOLEIC_ACID

Enzymes

General function:
Involved in catalytic activity
Specific function:
Esterification, concomitant with transport, of exogenous long-chain fatty acids into metabolically active CoA thioesters for subsequent degradation or incorporation into phospholipids. Contributes, with FAA1, to the activation of imported myristate
Gene Name:
FAA4
Uniprot ID:
P47912
Molecular weight:
77266.5
Reactions
ATP + a long-chain carboxylic acid + CoA → AMP + diphosphate + an acyl-CoA.
General function:
Involved in catalytic activity
Specific function:
Esterification, concomitant with transport, of exogenous long-chain fatty acids into metabolically active CoA thioesters for subsequent degradation or incorporation into phospholipids. It may supplement intracellular myristoyl-CoA pools from exogenous myristate. Preferentially acts on C12:0-C16:0 fatty acids with myristic and pentadecanic acid (C15:0) having the highest activities
Gene Name:
FAA1
Uniprot ID:
P30624
Molecular weight:
77865.79688
Reactions
ATP + a long-chain carboxylic acid + CoA → AMP + diphosphate + an acyl-CoA.
General function:
Involved in catalytic activity
Specific function:
Esterification, concomitant with transport, of endogenous long-chain fatty acids into metabolically active CoA thioesters for subsequent degradation or incorporation into phospholipids. This enzyme acts preferentially on C16 and C18 fatty acids with a cis-double bond at C-9-C-10
Gene Name:
FAA3
Uniprot ID:
P39002
Molecular weight:
77946.0
Reactions
ATP + a long-chain carboxylic acid + CoA → AMP + diphosphate + an acyl-CoA.
General function:
Involved in transferase activity
Specific function:
Fatty acid synthetase catalyzes the formation of long- chain fatty acids from acetyl-CoA, malonyl-CoA and NADPH. The beta subunit contains domains for:[acyl-carrier-protein] acetyltransferase and malonyltransferase, S-acyl fatty acid synthase thioesterase, enoyl-[acyl-carrier-protein] reductase, and 3-hydroxypalmitoyl-[acyl-carrier-protein] dehydratase
Gene Name:
FAS1
Uniprot ID:
P07149
Molecular weight:
228689.0
Reactions
Acetyl-CoA + n malonyl-CoA + 2n NADH + 2n NADPH → long-chain-acyl-CoA + n CoA + n CO(2) + 2n NAD(+) + 2n NADP(+).
Acetyl-CoA + [acyl-carrier-protein] → CoA + acetyl-[acyl-carrier-protein].
Malonyl-CoA + [acyl-carrier-protein] → CoA + malonyl-[acyl-carrier-protein].
(3R)-3-hydroxypalmitoyl-[acyl-carrier-protein] → hexadec-2-enoyl-[acyl-carrier-protein] + H(2)O.
Acyl-[acyl-carrier-protein] + NAD(+) → trans-2,3-dehydroacyl-[acyl-carrier-protein] + NADH.
Oleoyl-[acyl-carrier-protein] + H(2)O → [acyl-carrier-protein] + oleate.