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Record Information
Version2.0
Created at2024-09-09 22:18:00 UTC
Updated at2024-09-09 22:18:02 UTC
NP-MRD IDNP0334125
Secondary Accession NumbersNone
Natural Product Identification
Common Name12(S)-Leukotriene B4
Description12(S)-Leukotriene B4 is an agonist of G-protein-coupled receptors for leukotriene B4 (LTB4), BLT1 and BLT2. 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. The regulation of leukotriene production occurs at various levels, including expression of 5-LO, translocation of 5-LO to the perinuclear region and phosphorylation to either enhance or inhibit the activity of 5-LO. 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. (PMID: 7649996 , 17623009 , 2866160 , 15866883 ) 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]
Structure
Thumb
Synonyms
ValueSource
(5S,6E,8E,10E,12S,14E)-5,12-Dihydroxyicosa-6,8,10,14-tetraenoateGenerator
Chemical FormulaC20H32O4
Average Mass336.4720 Da
Monoisotopic Mass336.23006 Da
IUPAC Name(5S,6E,8E,10E,12S,14E)-5,12-dihydroxyicosa-6,8,10,14-tetraenoic acid
Traditional Name(5S,6E,8E,10E,12S,14E)-5,12-dihydroxyicosa-6,8,10,14-tetraenoic acid
CAS Registry NumberNot Available
SMILES
[H]\C(CCCCC)=C(\[H])C[C@]([H])(O)C(\[H])=C(/[H])\C(\[H])=C(/[H])\C(\[H])=C(/[H])[C@@]([H])(O)CCCC(O)=O
InChI Identifier
InChI=1S/C20H32O4/c1-2-3-4-5-6-9-13-18(21)14-10-7-8-11-15-19(22)16-12-17-20(23)24/h6-11,14-15,18-19,21-22H,2-5,12-13,16-17H2,1H3,(H,23,24)/b8-7+,9-6+,14-10+,15-11+/t18-,19+/m0/s1
InChI KeyVNYSSYRCGWBHLG-KQQZWENBSA-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 leukotrienes. These are eicosanoids containing a hydroxyl group attached to the aliphatic chain of an arachidonic acid. Leukotrienes have four double bonds, three (and only three) of which are conjugated.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassEicosanoids
Direct ParentLeukotrienes
Alternative Parents
Substituents
  • Leukotriene
  • Hydroxyeicosatetraenoic acid
  • Long-chain fatty acid
  • Hydroxy fatty acid
  • Fatty acid
  • Unsaturated fatty acid
  • Secondary alcohol
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Alcohol
  • 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
logP5.46ALOGPS
logP4.13ChemAxon
logS-4.3ALOGPS
pKa (Strongest Acidic)4.65ChemAxon
pKa (Strongest Basic)-1.3ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area77.76 ŲChemAxon
Rotatable Bond Count14ChemAxon
Refractivity102.98 m³·mol⁻¹ChemAxon
Polarizability41.66 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB 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 Compound92223005
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Murphy RC, Gijon MA: Biosynthesis and metabolism of leukotrienes. Biochem J. 2007 Aug 1;405(3):379-95. doi: 10.1042/BJ20070289. [PubMed:17623009 ]
  2. Wheelan P, Murphy RC: Metabolism of 6-trans-isomers of leukotriene B4 in cultured hepatoma cells and in human polymorphonuclear leukocytes. Identification of a delta 6-reductase metabolic pathway. J Biol Chem. 1995 Aug 25;270(34):19845-52. doi: 10.1074/jbc.270.34.19845. [PubMed:7649996 ]
  3. Bremm KD, Konig W, Pfeiffer P, Rauschen I, Theobald K, Thelestam M, Alouf JE: Effect of thiol-activated toxins (streptolysin O, alveolysin, and theta toxin) on the generation of leukotrienes and leukotriene-inducing and -metabolizing enzymes from human polymorphonuclear granulocytes. Infect Immun. 1985 Dec;50(3):844-51. doi: 10.1128/iai.50.3.844-851.1985. [PubMed:2866160 ]
  4. Iizuka Y, Yokomizo T, Terawaki K, Komine M, Tamaki K, Shimizu T: Characterization of a mouse second leukotriene B4 receptor, mBLT2: BLT2-dependent ERK activation and cell migration of primary mouse keratinocytes. J Biol Chem. 2005 Jul 1;280(26):24816-23. doi: 10.1074/jbc.M413257200. Epub 2005 May 2. [PubMed:15866883 ]