Record Information
Version1.0
Creation date2011-09-21 00:15:54 UTC
Update date2019-11-26 03:21:04 UTC
Primary IDFDB022561
Secondary Accession NumbersNot Available
Chemical Information
FooDB NameLeukotriene A4
DescriptionLeukotriene A4 (LTA4) is the first metabolite in the series of reactions leading to the synthesis of all leukotrienes. 5-Lipoxygenase (5-LO) catalyzes the two-step conversion of arachidonic acid to LTA4.The first step consists of the oxidation of arachidonic acid to the unstable intermediate 5-hydroperoxyeicosatetraenoic acid (5-HPETE), and the second step is the dehydration of 5-HPETE to form LTA4. Leukotriene A4, an unstable epoxide, is hydrolyzed to leukotriene B4 or conjugated with glutathione to yield leukotriene C4 and its metabolites, leukotriene D4 and leukotriene E4. The leukotrienes participate in host defense reactions and pathophysiological conditions such as immediate hypersensitivity and inflammation. Recent studies also suggest a neuroendocrine role for leukotriene C4 in luteinizing hormone secretion. (PMID: 10591081, 2820055) Leukotrienes are eicosanoids. The eicosanoids consist of the prostaglandins (PGs), thromboxanes (TXs), leukotrienes (LTs) and lipoxins (LXs). The PGs and TXs are collectively identified as prostanoids. Prostaglandins were originally shown to be synthesized in the prostate gland, thromboxanes from platelets (thrombocytes) and leukotrienes from leukocytes, hence the derivation of their names. All mammalian cells except erythrocytes synthesize eicosanoids. These molecules are extremely potent, able to cause profound physiological effects at very dilute concentrations. All eicosanoids function locally at the site of synthesis, through receptor-mediated G-protein linked signaling pathways. [HMDB]. Leukotriene A4 is found in many foods, some of which are evergreen huckleberry, star anise, winter savory, and yellow bell pepper.
CAS Number72059-45-1
Structure
Thumb
Synonyms
Predicted Properties
PropertyValueSource
Water Solubility0.00042 g/LALOGPS
logP6.04ALOGPS
logP5.44ChemAxon
logS-5.9ALOGPS
pKa (Strongest Acidic)4.49ChemAxon
pKa (Strongest Basic)-4.2ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area49.83 ŲChemAxon
Rotatable Bond Count13ChemAxon
Refractivity99.32 m³·mol⁻¹ChemAxon
Polarizability38.93 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Chemical FormulaC20H30O3
IUPAC name4-[(2S,3S)-3-[(1E,3E)-tetradeca-1,3,5,8-tetraen-1-yl]oxiran-2-yl]butanoic acid
InChI IdentifierInChI=1S/C20H30O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-15-18-19(23-18)16-14-17-20(21)22/h6-7,9-13,15,18-19H,2-5,8,14,16-17H2,1H3,(H,21,22)/b7-6?,10-9?,12-11+,15-13+/t18-,19-/m0/s1
InChI KeyUFPQIRYSPUYQHK-VRKJBCFNSA-N
Isomeric SMILES[H][C@@]1(CCCC(O)=O)O[C@@]1([H])\C=C\C=C\C=CCC=CCCCCC
Average Molecular Weight318.4504
Monoisotopic Molecular Weight318.219494826
Classification
Description Belongs to the class of organic compounds known as epoxy fatty acids. These are fatty acids containing an oxirane ring as part of the aliphatic chain.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentEpoxy fatty acids
Alternative Parents
Substituents
  • Epoxy fatty acid
  • Oxacycle
  • Organoheterocyclic compound
  • Monocarboxylic acid or derivatives
  • Ether
  • Oxirane
  • Dialkyl ether
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External DescriptorsNot Available
Ontology
OntologyNo ontology term
Physico-Chemical Properties
Physico-Chemical Properties - Experimental
Spectra
SpectraNot Available
ChemSpider ID4444074
ChEMBL IDCHEMBL69439
KEGG Compound IDC00909
Pubchem Compound ID5280383
Pubchem Substance IDNot Available
ChEBI ID15651
Phenol-Explorer IDNot Available
DrugBank IDNot Available
HMDB IDHMDB01337
CRC / DFC (Dictionary of Food Compounds) IDNot Available
EAFUS IDNot Available
Dr. Duke IDNot Available
BIGG ID36355
KNApSAcK IDNot Available
HET IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
Flavornet IDNot Available
GoodScent IDNot Available
SuperScent IDNot Available
Wikipedia IDLeukotriene A4
Phenol-Explorer Metabolite IDNot Available
Duplicate IDSNot Available
Old DFC IDSNot Available
Associated Foods
FoodContent Range AverageReference
AbaloneExpected but not quantifiedNot AvailableInferred by geno/metabolomic analysis
AbiyuchExpected but not quantifiedNot AvailableInferred by geno/metabolomic analysis
AcerolaExpected but not quantifiedNot AvailableInferred by geno/metabolomic analysis
AcornExpected but not quantifiedNot AvailableInferred by geno/metabolomic analysis
Adzuki beanExpected but not quantifiedNot AvailableInferred by geno/metabolomic analysis
AgarExpected but not quantifiedNot AvailableInferred by geno/metabolomic analysis
AgaveExpected but not quantifiedNot AvailableInferred by geno/metabolomic analysis
Alaska blueberryExpected but not quantifiedNot AvailableInferred by geno/metabolomic analysis
Alaska wild rhubarbExpected but not quantifiedNot AvailableInferred by geno/metabolomic analysis
AlfalfaExpected but not quantifiedNot AvailableInferred by geno/metabolomic analysis
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Biological Effects and Interactions
Health Effects / BioactivitiesNot Available
Enzymes
Pathways
MetabolismNot Available
BiosynthesisNot Available
Organoleptic Properties
FlavoursNot Available
Files
MSDSNot Available
References
Synthesis ReferenceNot Available
General ReferenceNot Available
Content Reference