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Record Information
Version2.0
Created at2024-09-11 19:27:51 UTC
Updated at2024-09-11 19:27:52 UTC
NP-MRD IDNP0339054
Secondary Accession NumbersNone
Natural Product Identification
Common Name15-Epi-lipoxin B5
Description15-Epi-lipoxin B5 belongs to the class of organic compounds known as hydroxyeicosapentaenoic acids. These are eicosanoic acids with an attached hydroxyl group and five CC double bonds. Thus, 15-epi-lipoxin B5 is considered to be an eicosanoid lipid molecule. Lipoxins (LXs) and aspirin-triggered Lipoxin (ATL) are trihydroxytetraene-containing eicosanoids generated from arachidonic acid that are distinct in structure, formation, and function from the many other proinflammatory lipid-derived mediators. These eicosanoids (i.E., LXA4 and ATL) with a unique trihydroxytetraene structure function as 'stop signals' in inflammation and actively participate in dampening host responses to bring the inflammation to a close, namely, resolution. These endogenous eicosanoids have now emerged as founding members of the first class of lipid/chemical mediators involved in the resolution of the inflammatory response. This phenomenon is an active process that is governed by specific lipid mediators and involves a series of well-orchestrated temporal events. Lipoxin A4 (LXA4), ATL, and their metabolic stable analogs elicit cellular responses and regulate leukocyte trafficking in vivo by activating the specific receptor, ALX. 15-Epi-lipoxin B5 is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. Thus, potent locally released mediators serve as checkpoint controllers of inflammation. In addition to the well-appreciated ability of aspirin to inhibit PGs, aspirin also acetylates cyclooxygenase (COX)-2, triggering the formation of a 15-epimeric form of lipoxins, termed aspirin-triggered LXA4 (ATL). LXA4 and ATL elicit the multicellular responses via a specific G protein-coupled receptor (GPCR) termed ALX that has been identified in human.
Structure
Thumb
Synonyms
ValueSource
5(S),14(R),15(S)-Trihydroxy-6E,8Z,10E,12E,17Z-eicosapentaenoateHMDB
5(S),14(R),15(S)-Trihydroxy-6E,8Z,10E,12E,17Z-eicosapentaenoic acidHMDB
5(S),14(R),15(S)-Trihydroxy-6E,8Z,10E,12E,17Z-eicosapentaenoic acid anionHMDB
Chemical FormulaC20H30O5
Average Mass350.4492 Da
Monoisotopic Mass350.20932 Da
IUPAC Name(5R,6E,8Z,10E,12E,14R,15R,17Z)-5,14,15-trihydroxyicosa-6,8,10,12,17-pentaenoic acid
Traditional Name(5R,6E,8Z,10E,12E,14R,15R,17Z)-5,14,15-trihydroxyicosa-6,8,10,12,17-pentaenoic acid
CAS Registry NumberNot Available
SMILES
CC\C=C/C[C@@H](O)[C@H](O)\C=C\C=C\C=C/C=C/[C@H](O)CCCC(O)=O
InChI Identifier
InChI=1S/C20H30O5/c1-2-3-8-14-18(22)19(23)15-10-7-5-4-6-9-12-17(21)13-11-16-20(24)25/h3-10,12,15,17-19,21-23H,2,11,13-14,16H2,1H3,(H,24,25)/b6-4-,7-5+,8-3-,12-9+,15-10+/t17-,18+,19+/m0/s1
InChI KeyVLLDKSJDBRLUOY-XIFXWWOOSA-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 hydroxyeicosapentaenoic acids. These are eicosanoic acids with an attached hydroxyl group and five CC double bonds.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassEicosanoids
Direct ParentHydroxyeicosapentaenoic acids
Alternative Parents
Substituents
  • Hydroxyeicosapentaenoic acid
  • Long-chain fatty acid
  • Hydroxy fatty acid
  • Fatty acid
  • Unsaturated fatty acid
  • Secondary alcohol
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Polyol
  • Organic oxide
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Carbonyl group
  • Organooxygen compound
  • 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
logP4.32ALOGPS
logP2.69ChemAxon
logS-3.8ALOGPS
pKa (Strongest Acidic)4.65ChemAxon
pKa (Strongest Basic)-1.5ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area97.99 ŲChemAxon
Rotatable Bond Count13ChemAxon
Refractivity105.46 m³·mol⁻¹ChemAxon
Polarizability39.96 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0012588
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB029136
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound53481476
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References