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Record Information
Version2.0
Created at2024-09-11 19:22:05 UTC
Updated at2024-09-11 19:22:05 UTC
NP-MRD IDNP0339034
Secondary Accession NumbersNone
Natural Product Identification
Common Name12-Oxo-10,11-dihydro-20-carboxy-leukotriene B4
Description12-Oxo-10,11-dihydro-20-COOH-LTB4, also known as 12-oxo-10,11-dihydro-20-carboxy-LTB(,4), 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. Thus, 12-oxo-10,11-dihydro-20-COOH-LTB4 is considered to be an eicosanoid lipid molecule. 12-Oxo-10,11-dihydro-20-COOH-LTB4 is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. 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. Leukotrienes are eicosanoids. Leukotrienes are metabolites of arachidonic acid derived from the action of 5-LO (5-lipoxygenase). The immediate product of 5-LO is LTA4 (leukotriene A4), which is enzymatically converted into either LTB4 (leukotriene B4) by LTA4 hydrolase or LTC4 (leukotriene C4) by LTC4 synthase. Biologically active LTB4 is metabolized by w-oxidation carried out by specific cytochrome P450s (CYP4F) followed by beta-oxidation from the w-carboxy position and after CoA ester formation. It was first documented in 2010 (PMID: 20044567). All mammalian cells except erythrocytes synthesize eicosanoids.
Structure
Thumb
Synonyms
ValueSource
(5S)-Hydroxy-12-oxo-(6Z,8E,14Z)-eicosatrienedioateHMDB
(5S)-Hydroxy-12-oxo-(6Z,8E,14Z)-eicosatrienedioic acidHMDB
12-oxo-10,11-Dihydro-20-carboxy-LTB(,4)HMDB
Chemical FormulaC20H30O6
Average Mass366.4486 Da
Monoisotopic Mass366.20424 Da
IUPAC Name(5R,6Z,8E,14Z)-5-hydroxy-12-oxoicosa-6,8,14-trienedioic acid
Traditional Name(5R,6Z,8E,14Z)-5-hydroxy-12-oxoicosa-6,8,14-trienedioic acid
CAS Registry NumberNot Available
SMILES
O[C@H](CCCC(O)=O)\C=C/C=C/CCC(=O)C\C=C/CCCCC(O)=O
InChI Identifier
InChI=1S/C20H30O6/c21-17(11-6-2-1-3-9-15-19(23)24)12-7-4-5-8-13-18(22)14-10-16-20(25)26/h2,4-6,8,13,18,22H,1,3,7,9-12,14-16H2,(H,23,24)(H,25,26)/b5-4+,6-2-,13-8-/t18-/m0/s1
InChI KeyRYMSXFPLTLWXCK-VJNSNPJLSA-N
Experimental Spectra
Not Available
Predicted Spectra
Not Available
Chemical Shift Submissions
Not Available
Species
Species of OriginNot Available
Chemical Taxonomy
Description 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.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentLong-chain fatty acids
Alternative Parents
Substituents
  • Long-chain fatty acid
  • Hydroxy fatty acid
  • Keto fatty acid
  • Dicarboxylic acid or derivatives
  • Unsaturated fatty acid
  • Ketone
  • Secondary alcohol
  • Carboxylic acid
  • Carboxylic acid derivative
  • Alcohol
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Carbonyl group
  • Organooxygen compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP3.14ALOGPS
logP3.22ChemAxon
logS-4ALOGPS
pKa (Strongest Acidic)4.23ChemAxon
pKa (Strongest Basic)-1.5ChemAxon
Physiological Charge-2ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area111.9 ŲChemAxon
Rotatable Bond Count16ChemAxon
Refractivity102.66 m³·mol⁻¹ChemAxon
Polarizability39.82 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0012549
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB029116
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDCPD-9839
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound53481456
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]