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Record Information
Version2.0
Created at2022-05-11 19:02:19 UTC
Updated at2022-05-11 19:02:19 UTC
NP-MRD IDNP0092281
Secondary Accession NumbersNone
Natural Product Identification
Common Nameprostaglandin-H2
DescriptionProstaglandin H2, also known as PGH2 or endoperoxide H2, 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, prostaglandin H2 is considered to be an eicosanoid lipid molecule. Prostaglandin H2 is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. Prostaglandin H2 exists in all living organisms, ranging from bacteria to humans. The conversion from Arachidonic acid to Prostaglandin H2 is a two step process. Within humans, prostaglandin H2 participates in a number of enzymatic reactions. In particular, prostaglandin H2 can be converted into prostaglandin I2; which is mediated by the enzyme prostacyclin synthase. In addition, prostaglandin H2 can be converted into prostaglandin D2; which is catalyzed by the enzyme prostaglandin-H2 D-isomerase. It is acted upon by:Prostacyclin synthase to create prostacyclinThromboxane-A synthase to create thromboxane A2 and 12-(S)-hydroxy-5Z,8E,10E-heptadecatrienoic acid (HHT) (see 12-Hydroxyheptadecatrienoic acid)Prostaglandin D2 synthase to create prostaglandin D2Prostaglandin E synthase to create prostaglandin E2It rearranges non-enzymatically to:A mixture of 12-(S)-hydroxy-5Z,8E,10E-heptadecatrienoic acid (HHT) and 12-(S)-hydroxy-5Z,8Z,10E-heptadecatrienoic acid (see 12-Hydroxyheptadecatrienoic acid)Use of prostaglandin H2:Regulating the constriction and dilation of blood vesselsstimulating platelet aggregationbinds to Thromboxane receptor on platelets' cell membranes to trigger platelet migration and adhesion to other platelets. In humans, prostaglandin H2 is involved in mefenamic acid action pathway. It is synthesized from arachidonic acid in a reaction catalyzed by a cyclooxygenase enzyme. Outside of the human body, Prostaglandin H2 has been detected, but not quantified in, several different foods, such as eggplants, arrowroots, mung beans, beans, and horseradish tree. This could make prostaglandin H2 a potential biomarker for the consumption of these foods. Prostaglandin H2 is a type of prostaglandin and a precursor for many other biologically significant molecules. Other peroxidases like Hydroquinone have been observed to reduce PGG2 to PGH2. PGH2 is unstable at room temperature, with a half life of 90-100 seconds, so it is often converted into a different prostaglandin. First, COX-1 catalyzes the addition of two free oxygens to form the 1,2-Dioxane bridge and a peroxide functional group to form Prostaglandin G2. prostaglandin-H2 is found in Mus musculus. prostaglandin-H2 was first documented in 1983 (PMID: 6310815). Second, COX-2 reduces the peroxide functional group to a Secondary alcohol, forming Prostaglandin H2 (PMID: 16627914) (PMID: 16134166) (PMID: 2517034) (PMID: 2449295).
Structure
Thumb
Synonyms
ValueSource
(5Z,13E)-(15S)-9alpha,11alpha-Epidioxy-15-hydroxyprosta-5,13-dienoateChEBI
(5Z,13E,15S)-9alpha,11alpha-Epidioxy-15-hydroxyprosta-5,13-dienoateChEBI
(5Z,9alpha,11alpha,13E,15S)-9,11-Epidioxy-15-hydroxyprosta-5,13-dien-1-Oic acidChEBI
9,11-Epoxymethano-PGH2ChEBI
PGH2ChEBI
(5Z,9alpha,11alpha,13E,15S)-9,11-Epidioxy-15-hydroxy-prosta-5,13-dienoateKegg
(5Z,13E)-(15S)-9a,11a-Epidioxy-15-hydroxyprosta-5,13-dienoateGenerator
(5Z,13E)-(15S)-9a,11a-Epidioxy-15-hydroxyprosta-5,13-dienoic acidGenerator
(5Z,13E)-(15S)-9alpha,11alpha-Epidioxy-15-hydroxyprosta-5,13-dienoic acidGenerator
(5Z,13E)-(15S)-9Α,11α-epidioxy-15-hydroxyprosta-5,13-dienoateGenerator
(5Z,13E)-(15S)-9Α,11α-epidioxy-15-hydroxyprosta-5,13-dienoic acidGenerator
(5Z,13E,15S)-9a,11a-Epidioxy-15-hydroxyprosta-5,13-dienoateGenerator
(5Z,13E,15S)-9a,11a-Epidioxy-15-hydroxyprosta-5,13-dienoic acidGenerator
(5Z,13E,15S)-9alpha,11alpha-Epidioxy-15-hydroxyprosta-5,13-dienoic acidGenerator
(5Z,13E,15S)-9Α,11α-epidioxy-15-hydroxyprosta-5,13-dienoateGenerator
(5Z,13E,15S)-9Α,11α-epidioxy-15-hydroxyprosta-5,13-dienoic acidGenerator
(5Z,9a,11a,13E,15S)-9,11-Epidioxy-15-hydroxyprosta-5,13-dien-1-OateGenerator
(5Z,9a,11a,13E,15S)-9,11-Epidioxy-15-hydroxyprosta-5,13-dien-1-Oic acidGenerator
(5Z,9alpha,11alpha,13E,15S)-9,11-Epidioxy-15-hydroxyprosta-5,13-dien-1-OateGenerator
(5Z,9Α,11α,13E,15S)-9,11-epidioxy-15-hydroxyprosta-5,13-dien-1-OateGenerator
(5Z,9Α,11α,13E,15S)-9,11-epidioxy-15-hydroxyprosta-5,13-dien-1-Oic acidGenerator
(5Z,9a,11a,13E,15S)-9,11-Epidioxy-15-hydroxy-prosta-5,13-dienoateGenerator
(5Z,9a,11a,13E,15S)-9,11-Epidioxy-15-hydroxy-prosta-5,13-dienoic acidGenerator
(5Z,9alpha,11alpha,13E,15S)-9,11-Epidioxy-15-hydroxy-prosta-5,13-dienoic acidGenerator
(5Z,9Α,11α,13E,15S)-9,11-epidioxy-15-hydroxy-prosta-5,13-dienoateGenerator
(5Z,9Α,11α,13E,15S)-9,11-epidioxy-15-hydroxy-prosta-5,13-dienoic acidGenerator
(15S)Hydroxy-9alpha,11alpha-(epoxymethano)prosta-5,13-dienoateHMDB
(15S)Hydroxy-9alpha,11alpha-(epoxymethano)prosta-5,13-dienoic acidHMDB
(5Z)-7-{(1R,4S,5R,6R)-6-[(1E,3S)-3-hydroxyoct-1-en-1-yl]-2,3-dioxabicyclo[2.2.1]hept-5-yl}hept-5-enoateHMDB
(5Z)-7-{(1R,4S,5R,6R)-6-[(1E,3S)-3-hydroxyoct-1-en-1-yl]-2,3-dioxabicyclo[2.2.1]hept-5-yl}hept-5-enoic acidHMDB
(5Z,13E)-(15S)-9,11-Epidioxy-15-hydroxyprosta-5,13-dienoateHMDB
(5Z,13E)-(15S)-9,11-Epidioxy-15-hydroxyprosta-5,13-dienoic acidHMDB
(5Z,13E)-(15S)-9-alpha,11-alpha-Epidioxy-15-hydroxyprosta-5,13-dienoateHMDB
(5Z,13E)-(15S)-9-alpha,11-alpha-Epidioxy-15-hydroxyprosta-5,13-dienoic acidHMDB
(5Z,13E,15S)-9-alpha,11-alpha-Epidioxy-15-hydroxyprosta-5,13-dienoateHMDB
(5Z,13E,15S)-9-alpha,11-alpha-Epidioxy-15-hydroxyprosta-5,13-dienoic acidHMDB
(5Z,9alpha,11alpha,13E,15S)-9,11-Epidioxy-15-hydroxy-prosta-5,13-dien-1-OateHMDB
(5Z,9alpha,11alpha,13E,15S)-9,11-Epidioxy-15-hydroxy-prosta-5,13-dien-1-Oic acidHMDB
15-Hydroxy-9alpha,11alpha-peroxidoprosta-5,13-dienoateHMDB
15-Hydroxy-9alpha,11alpha-peroxidoprosta-5,13-dienoic acidHMDB
9S,11R-Epidioxy-15S-hydroxy-5Z,13E-prostadienoateHMDB
9S,11R-Epidioxy-15S-hydroxy-5Z,13E-prostadienoic acidHMDB
Endoperoxide H2HMDB
Prostaglandin R2HMDB
Prostaglandin-H2HMDB
PGH(2)HMDB
Chemical FormulaC20H32O5
Average Mass352.4651 Da
Monoisotopic Mass352.22497 Da
IUPAC Name(5Z)-7-[(1R,4S,5R,6R)-6-[(1E,3S)-3-hydroxyoct-1-en-1-yl]-2,3-dioxabicyclo[2.2.1]heptan-5-yl]hept-5-enoic acid
Traditional Nameprostaglandin H2
CAS Registry NumberNot Available
SMILES
CCCCC[C@H](O)\C=C\[C@H]1[C@H]2C[C@H](OO2)[C@@H]1C\C=C/CCCC(O)=O
InChI Identifier
InChI=1S/C20H32O5/c1-2-3-6-9-15(21)12-13-17-16(18-14-19(17)25-24-18)10-7-4-5-8-11-20(22)23/h4,7,12-13,15-19,21H,2-3,5-6,8-11,14H2,1H3,(H,22,23)/b7-4-,13-12+/t15-,16+,17+,18-,19+/m0/s1
InChI KeyYIBNHAJFJUQSRA-YNNPMVKQSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Anas platyrhynchosFooDB
AnatidaeFooDB
Anser anserFooDB
Bison bisonFooDB
Bos taurusFooDB
Bos taurus X Bison bisonFooDB
Bubalus bubalisFooDB
Capra aegagrus hircusFooDB
CervidaeFooDB
Cervus canadensisFooDB
ColumbaFooDB
ColumbidaeFooDB
Dromaius novaehollandiaeFooDB
Equus caballusFooDB
Gallus gallusFooDB
Lagopus mutaFooDB
LeporidaeFooDB
Lepus timidusFooDB
Melanitta fuscaFooDB
Meleagris gallopavoFooDB
Mus musculusLOTUS Database
Numida meleagrisFooDB
OdocoileusFooDB
OryctolagusFooDB
Ovis ariesFooDB
PhasianidaeFooDB
Phasianus colchicusFooDB
Struthio camelusFooDB
Sus scrofaFooDB
Sus scrofa domesticaFooDB
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
  • Heterocyclic fatty acid
  • Hydroxy fatty acid
  • Ortho-dioxane
  • Fatty acid
  • Unsaturated fatty acid
  • Ortho-dioxolane
  • Dialkyl peroxide
  • Secondary alcohol
  • Carboxylic acid derivative
  • Carboxylic acid
  • Oxacycle
  • Organoheterocyclic compound
  • Monocarboxylic acid or derivatives
  • Organic oxide
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Alcohol
  • Carbonyl group
  • Organooxygen compound
  • Aliphatic heteropolycyclic compound
Molecular FrameworkAliphatic heteropolycyclic 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
logP4.27ALOGPS
logP3.96ChemAxon
logS-4ALOGPS
pKa (Strongest Acidic)4.36ChemAxon
pKa (Strongest Basic)-1.6ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area75.99 ŲChemAxon
Rotatable Bond Count12ChemAxon
Refractivity98.04 m³·mol⁻¹ChemAxon
Polarizability39.9 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0001381
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB031134
KNApSAcK IDNot Available
Chemspider ID392800
KEGG Compound IDC00427
BioCyc IDNot Available
BiGG ID34952
Wikipedia LinkProstaglandin H2
METLIN ID3495
PubChem Compound445049
PDB IDNot Available
ChEBI ID15554
Good Scents IDNot Available
References
General References
  1. Onguru O, Casey MB, Kajita S, Nakamura N, Lloyd RV: Cyclooxygenase-2 and thromboxane synthase in non-endocrine and endocrine tumors: a review. Endocr Pathol. 2005 Winter;16(4):253-77. doi: 10.1385/ep:16:4:253. [PubMed:16627914 ]
  2. Rybicki JP, Le Breton GC: Prostaglandin H2 directly lowers human platelet cAMP levels. Thromb Res. 1983 Jun 1;30(5):407-14. doi: 10.1016/0049-3848(83)90174-3. [PubMed:6310815 ]
  3. Ulrich CM, Carlson CS, Sibert J, Poole EM, Yu JH, Wang LH, Sparks R, Potter JD, Bigler J: Thromboxane synthase (TBXAS1) polymorphisms in African-American and Caucasian populations: evidence for selective pressure. Hum Mutat. 2005 Oct;26(4):394-5. doi: 10.1002/humu.9371. [PubMed:16134166 ]
  4. Hornberger W, Patscheke H: Transient concentrations and agonist potency of PGH2 in platelet activation by endogenous arachidonate. Eicosanoids. 1989;2(4):241-8. [PubMed:2517034 ]
  5. Johnson GJ, Dunlop PC, Leis LA, From AH: Dihydropyridine agonist Bay K 8644 inhibits platelet activation by competitive antagonism of thromboxane A2-prostaglandin H2 receptor. Circ Res. 1988 Mar;62(3):494-505. doi: 10.1161/01.res.62.3.494. [PubMed:2449295 ]