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Record Information
Version2.0
Created at2022-09-02 20:02:11 UTC
Updated at2022-09-02 20:02:11 UTC
NP-MRD IDNP0161777
Secondary Accession NumbersNone
Natural Product Identification
Common Name15-keto-pge2
Description15-Keto-prostaglandin E2, also known as 15-keto-pge2, belongs to the class of organic compounds known as prostaglandins and related compounds. These are unsaturated carboxylic acids consisting of a 20 carbon skeleton that also contains a five member ring, and are based upon the fatty acid arachidonic acid. Thus, 15-keto-prostaglandin E2 is considered to be an eicosanoid lipid molecule. Dinoprostone is a naturally occurring prostaglandin E2 (PGE2) and the most common and most biologically active of the mammalian prostaglandins. All mammalian cells except erythrocytes synthesize eicosanoids. 15-Keto-prostaglandin E2 is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. The PGs and TXs are collectively identified as prostanoids. Depending on the nature of maturation signals, PGE2 has different and sometimes opposite effects on DC biology. PGE2 is a potent inducer of IL-10 in bone marrow-derived DC (BM-DC), and PGE2-induced IL-10 is a key regulator of the BM-DC pro-inflammatory phenotype. 15-keto-pge2 is found in Gracilaria gracilis. 15-keto-pge2 was first documented in 1980 (PMID: 7190512). PGE2 is also responsible for maintaining the open passageway of the fetal ductus arteriosus; decreasing T-cell proliferation and lymphocyte migration and activating the secretion of IL-1alpha and IL-2 (PMID: 6698991).
Structure
Thumb
Synonyms
ValueSource
(5Z)-(15S)-11alpha-Hydroxy-9,15-dioxoprosta-13-enoateChEBI
(5Z,13E)-11alpha-Hydroxy-9,15-dioxoprost-13-enoateChEBI
15-Deoxy-15-oxo-prostaglandin e2ChEBI
15-Keto-pge2ChEBI
15-Ketoprostaglandin e2ChEBI
15-oxo-PGE2ChEBI
(5Z)-(15S)-11a-Hydroxy-9,15-dioxoprosta-13-enoateGenerator
(5Z)-(15S)-11a-Hydroxy-9,15-dioxoprosta-13-enoic acidGenerator
(5Z)-(15S)-11alpha-Hydroxy-9,15-dioxoprosta-13-enoic acidGenerator
(5Z)-(15S)-11Α-hydroxy-9,15-dioxoprosta-13-enoateGenerator
(5Z)-(15S)-11Α-hydroxy-9,15-dioxoprosta-13-enoic acidGenerator
(5Z,13E)-11a-Hydroxy-9,15-dioxoprost-13-enoateGenerator
(5Z,13E)-11a-Hydroxy-9,15-dioxoprost-13-enoic acidGenerator
(5Z,13E)-11alpha-Hydroxy-9,15-dioxoprost-13-enoic acidGenerator
(5Z,13E)-11Α-hydroxy-9,15-dioxoprost-13-enoateGenerator
(5Z,13E)-11Α-hydroxy-9,15-dioxoprost-13-enoic acidGenerator
(5Z)-(13E)-11-alpha-Hydroxy-9,15-dioxoprosta-5,13-dienoateHMDB
(5Z)-(13E)-11-alpha-Hydroxy-9,15-dioxoprosta-5,13-dienoic acidHMDB
(5Z,13E)-11-alpha-Hydroxy-9,15-dioxoprost-5,13-dienoateHMDB
(5Z,13E)-11-alpha-Hydroxy-9,15-dioxoprost-5,13-dienoic acidHMDB
15-Keto-pge2-alphaHMDB
15-oxo-PGE2-alphaHMDB
9,15-Dioxo-11-hydroxyprosta-5,13-dienoic acidHMDB
15-Ketoprostaglandin e2, (11alpha)-isomerHMDB
15-Keto-prostaglandin e2ChEBI
Chemical FormulaC20H30O5
Average Mass350.4492 Da
Monoisotopic Mass350.20932 Da
IUPAC Name(5Z)-7-[(1R,2R,3R)-3-hydroxy-5-oxo-2-[(1E)-3-oxooct-1-en-1-yl]cyclopentyl]hept-5-enoic acid
Traditional Name15-Keto-PGE2
CAS Registry NumberNot Available
SMILES
CCCCCC(=O)\C=C\[C@H]1[C@H](O)CC(=O)[C@@H]1C\C=C/CCCC(O)=O
InChI Identifier
InChI=1S/C20H30O5/c1-2-3-6-9-15(21)12-13-17-16(18(22)14-19(17)23)10-7-4-5-8-11-20(24)25/h4,7,12-13,16-17,19,23H,2-3,5-6,8-11,14H2,1H3,(H,24,25)/b7-4-,13-12+/t16-,17-,19-/m1/s1
InChI KeyYRTJDWROBKPZNV-KMXMBPPJSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Gracilaria gracilisLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as prostaglandins and related compounds. These are unsaturated carboxylic acids consisting of a 20 carbon skeleton that also contains a five member ring, and are based upon the fatty acid arachidonic acid.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassEicosanoids
Direct ParentProstaglandins and related compounds
Alternative Parents
Substituents
  • Prostaglandin skeleton
  • Long-chain fatty acid
  • Hydroxy fatty acid
  • Cyclopentanol
  • Unsaturated fatty acid
  • Fatty acid
  • Alpha,beta-unsaturated ketone
  • Cyclic alcohol
  • Acryloyl-group
  • Enone
  • Secondary alcohol
  • Cyclic ketone
  • Ketone
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organooxygen compound
  • Alcohol
  • Carbonyl group
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External Descriptors
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
logP3.27ALOGPS
logP3.64ChemAxon
logS-3.8ALOGPS
pKa (Strongest Acidic)4.3ChemAxon
pKa (Strongest Basic)-2.9ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area91.67 ŲChemAxon
Rotatable Bond Count12ChemAxon
Refractivity98.54 m³·mol⁻¹ChemAxon
Polarizability40.05 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0003175
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB023119
KNApSAcK IDNot Available
Chemspider ID4444303
KEGG Compound IDC04707
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN ID2309
PubChem Compound5280719
PDB IDNot Available
ChEBI ID15547
Good Scents IDNot Available
References
General References
  1. Fitzpatrick FA, Liggett WF, Wynalda MA: Albumin-eicosanoid interactions. A model system to determine their attributes and inhibition. J Biol Chem. 1984 Mar 10;259(5):2722-7. [PubMed:6698991 ]
  2. Gordon-Wright AP, Elder MG: Effect of prostaglandin E2 and its metabolites on lower segment myometrium in vitro. Eur J Obstet Gynecol Reprod Biol. 1980 Jun;10(5):297-302. doi: 10.1016/0028-2243(80)90076-3. [PubMed:7190512 ]
  3. LOTUS database [Link]