| Version |
2.5 |
| Creation Date |
2006-08-13 15:58:41 |
| Update Date |
2009-05-26 16:58:50 |
| Accession Number |
HMDB04236 |
| Secondary Accession Numbers |
Not Available |
| Common Name |
Prostaglandin B2 |
| Description |
Prostaglandin B2 (PGB2) is a prostanoid. Prostanoids is a term that collectively describes prostaglandins, prostacyclines and thromboxanes. Prostanoids are a subclass of the lipid mediator group known as eicosanoids. They derive from C-20 polyunsaturated fatty acids, mainly dihomo-gamma-linoleic (20:3n-6), arachidonic (20:4n-6), and eicosapentaenoic (20:5n-3) acids, through the action of cyclooxygenases-1 and -2 (COX-1 and COX-2). The reaction product of COX is the unstable endoperoxide prostaglandin H (PGH) that is further transformed into the individual prostanoids by a series of specific prostanoid synthases. Prostanoids are local-acting mediators formed and inactivated within the same or neighbouring cells prior to their release into circulation as inactive metabolites (15-keto- and 13,14-dihydroketo metabolites). Non-enzymatic peroxidation of arachidonic acid and other fatty acids in vivo can result in prostaglandin-like substances isomeric to the COX-derived prostaglandins that are termed isoprostanes. Prostanoids take part in many physiological and pathophysiological processes in practically every organ, tissue and cell, including the vascular, renal, gastrointestinal and reproductive systems. Their activities are mediated through prostanoid-specific receptors and intracellular signalling pathways, whilst their biosynthesis and action are blocked by nonsteroidal antiinflammatory drugs (NSAID). Isoprostanes are considered to be reliable markers of oxidant stress status and have been linked to inflammation, ischaemia-reperfusion, diabetes, cardiovascular disease, reproductive disorders and diabetes. (PMID: 16986207)
Prostaglandins 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. |
| Synonyms |
- PGB2
|
| Chemical IUPAC Name |
(Z)-7-[2-[(E,3R)-3-hydroxyoct-1-enyl]-5-oxo-1-cyclopentenyl]hept-5-enoic acid |
| Chemical Formula |
C20H30O4 |
| Chemical Structure |
 |
| Chemical Taxonomy |
| Kingdom |
|
| Super Class |
|
| Class |
|
| Sub Class |
|
| Family |
|
| Species |
- ketone
- secondary alcohol
- carboxylic acid
- alkene
|
| Biofunction |
| — |
| Application |
| — |
| Source |
|
|
| Average Molecular Weight |
334.450 |
| Monoisotopic Molecular Weight |
334.214417 |
| Isomeric SMILES |
CCCCC[C@@H](O)C=CC1=C(CC=C/CCCC(O)=O)C(=O)CC1 |
| Canonical SMILES |
CCCCCC(O)C=CC1=C(CC=CCCCC(O)=O)C(=O)CC1 |
| KEGG Compound ID |
C05954  |
| BioCyc ID |
Not Available |
| BiGG ID |
Not Available |
| Wikipedia Link |
Not Available |
| NuGOwiki Link |
HMDB04236  |
| Metagene Link |
HMDB04236  |
| METLIN ID |
Not Available |
| PubChem Compound |
5288144  |
| PubChem Substance |
7887256  |
| ChEBI ID |
28099  |
| CAS Registry Number |
13367-85-6 |
| InChI Identifier |
InChI=1/C20H30O4/c1-2-3-6-9-17(21)14-12-16-13-15-19(22)18(16)10-7-4-5-8-11-20(23)24/h4,7,12,14,17,21H,2-3,5-6,8-11,13,15H2,1H3,(H,23,24)/b7-4-,14-12+/t17-/m1/s1 |
| Synthesis Reference |
Not Available |
| Melting Point (Experimental) |
Not Available |
| Experimental Water Solubility |
Not Available
Source: PhysProp
|
| Predicted Water Solubility |
0.0299 mg/mL [Predicted by ALOGPS]
Calculated using ALOGPS
|
| Physiological Charge |
-1 |
| State |
Solid |
| Experimental LogP/Hydrophobicity |
3.154
Source: PhysProp
|
| Predicted LogP/Hydrophobicity |
3.4 [Predicted by PubChem via XLOGP]; 4.07 [Predicted by ALOGPS]
Calculated using ALOGPS
|
| Material Safety Data Sheet (MSDS) |
|
| MOL File |
Show  |
| SDF File |
Show  |
| PDB File |
Show  |
| 2D Structure |
|
| 3D Structure |
|
| Experimental PDB ID |
Not Available |
| Experimental 1H NMR Spectrum |
Not Available |
| Experimental 13C NMR Spectrum |
Not Available |
| Experimental 13C HSQC Spectrum |
Not Available |
| Predicted 1H NMR Spectrum |
Show Image Show Peaklist
|
| Predicted 13C NMR Spectrum |
Show Image Show Peaklist
|
| Mass Spectrum |
Not Available |
| Simplified TOCSY Spectrum |
Not Available |
| BMRB Spectrum |
Not Available |
| Cellular Location |
Not Available |
| Biofluid Location |
- Blood
- Cerebrospinal Fluid
|
| Tissue Location |
Not Available |
| Concentrations (Normal) |
| Biofluid |
Blood |
| Value |
0.000373 +/- 0.000212 uM |
| Age |
Adult:>18 yrs old |
| Sex |
Both |
| Patient information |
Normal |
| Comments |
Oxygenated lipids were quantified by Theresa L. Pedersen and John W. Newman at the USDA’s Western Human Nutrition Research Center, Davis, CA, and Lipomics Technologies, Inc. |
| References |
- Psychogios N, Hau DD, Peng J, Guo AC, Mandal R, Bouatra S, Sinelnikov I, Krishnamurthy R, Eisner R, Gautam B, Young N, Xia J, Knox C, Dong E, Huang P, Hollander Z, Pedersen TL, Smith SR, Bamforth F, Greiner R, McManus B, Newman JW, Goodfriend T, Wishart DS: The human serum metabolome. PLoS One. 2011 Feb 16;6(2):e16957. [PubMed
]
- Wishart DS, Knox C, Guo AC, Eisner R, Young N, Gautam B, Hau DD, Psychogios N, Dong E, Bouatra S, Mandal R, Sinelnikov I, Xia J, Jia L, Cruz JA, Lim E, Sobsey CA, Shrivastava S, Huang P, Liu P, Fang L, Peng J, Fradette R, Cheng D, Tzur D, Clements M, Lewis A, De Souza A, Zuniga A, Dawe M, Xiong Y, Clive D, Greiner R, Nazyrova A, Shaykhutdinov R, Li L, Vogel HJ, Forsythe I: HMDB: a knowledgebase for the human metabolome. Nucleic Acids Res. 2008 Oct 25. [PubMed
]
|
| Biofluid |
CSF |
| Value |
2.992e-07-8.976e-07 uM |
| Age |
N/A |
| Sex |
N/A |
| Patient information |
Normal |
| Comments |
Not Available |
| References |
- Fagan SC, Castellani D, Gengo FM: Prostanoid concentrations in human CSF following acute ischaemic brain infarction. Clin Exp Pharmacol Physiol. 1986 Aug;13(8):629-32. [PubMed
]
|
|
| Concentrations (Abnormal) |
| Biofluid |
CSF |
| Value |
4.488e-07-1.197e-05 uM |
| Age |
N/A |
| Sex |
N/A |
| Comments |
Not Available |
| References |
- Fagan SC, Castellani D, Gengo FM: Prostanoid concentrations in human CSF following acute ischaemic brain infarction. Clin Exp Pharmacol Physiol. 1986 Aug;13(8):629-32. [PubMed
]
|
|
| Associated Disorders |
Not Available |
| OMIM ID |
Not Available |
| Pathways |
|
| General References |
Not Available |