Record Information |
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Version | 2.0 |
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Created at | 2022-05-12 15:23:10 UTC |
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Updated at | 2022-05-12 15:23:10 UTC |
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NP-MRD ID | NP0136770 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | 20-Carboxy-leukotriene B4 |
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Description | 20-Carboxy-leukotriene B4, also known as 20-COOH-LTB4 or 20-carboxy-LTB4, belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. Thus, 20-carboxy-leukotriene B4 is considered to be an eicosanoid lipid molecule. Other specific pathways of leukotriene metabolism include the 12-hydroxydehydrogenase/ 15-oxo-prostaglandin-13-reductase that form a series of conjugated diene metabolites that have been observed to be excreted into human urine. This activity has been ascribed to LTB4 omega-hydroxylase (cytochrome P-450LTB omega). 20-Carboxy-leukotriene B4 is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. In humans, 20-carboxy-leukotriene B4 is involved in mefenamic acid action pathway. These metabolic transformations of the primary leukotrienes are critical for termination of their biological activity, and defects in expression of participating enzymes may be involved in specific genetic disease. Leukotrienes are metabolites of arachidonic acid derived from the action of 5-LO (5-lipoxygenase). 20-Carboxyleukotriene B4 is an omega-oxidized metabolite of leukotriene B4 (LTB4). 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. All mammalian cells except erythrocytes synthesize eicosanoids. 20-Carboxy-leukotriene B4 was first documented in 1990 (PMID: 2155225). The eicosanoids consist of the prostaglandins (PGs), thromboxanes (TXs), leukotrienes (LTs), and lipoxins (LXs). |
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Structure | O[C@@H](CCCC(O)=O)\C=C/C=C/C=C/[C@H](O)C\C=C/CCCCC(O)=O InChI=1S/C20H30O6/c21-17(11-6-2-1-3-9-15-19(23)24)12-7-4-5-8-13-18(22)14-10-16-20(25)26/h2,4-8,12-13,17-18,21-22H,1,3,9-11,14-16H2,(H,23,24)(H,25,26)/b5-4+,6-2-,12-7+,13-8-/t17-,18-/m1/s1 |
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Synonyms | Value | Source |
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20-Carboxy-LTB4 | ChEBI | 20-COOH-Leukotriene b4 | ChEBI | 20-COOH-LTB4 | ChEBI | 5,12-Dihydroxy-delta5,8,11,14-eicosapolyendioic acid | ChEBI | 5,12-Dihydroxy-delta5,8,11,14-eicosapolyendioate | Generator | 5,12-Dihydroxy-δ5,8,11,14-eicosapolyendioate | Generator | 5,12-Dihydroxy-δ5,8,11,14-eicosapolyendioic acid | Generator | (5S,6Z,8E,10E,12R,14Z)-5,12-Dihydroxyicosa-6,8,10,14-tetraenedioate | HMDB | (5S,6Z,8E,10E,12R,14Z)-5,12-Dihydroxyicosa-6,8,10,14-tetraenedioic acid | HMDB | (S-(R*,s*-(e,Z,e,Z)))-5,12-dihydroxy-6,8,10,14-eicosatetraenedioate | HMDB | (S-(R*,s*-(e,Z,e,Z)))-5,12-dihydroxy-6,8,10,14-eicosatetraenedioic acid | HMDB | 20-Carboxy-leukotriene- b4 | HMDB | 20-Carboxyleukotriene b4 | HMDB | 20-Hydroxy-20-oxo-leukotriene b4 | HMDB | 5(S),12(R)-Dihydroxy-20-carboxy-6,8,10,14-eicosatetraenoate | HMDB | 5(S),12(R)-Dihydroxy-20-carboxy-6,8,10,14-eicosatetraenoic acid | HMDB | 5S,12R-Dihydroxy-6Z,8E,10E,14Z-eicosatetraene-1,20-dioate | HMDB | 5S,12R-Dihydroxy-6Z,8E,10E,14Z-eicosatetraene-1,20-dioic acid | HMDB | 20-COOH LTB4 | HMDB |
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Chemical Formula | C20H30O6 |
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Average Mass | 366.4486 Da |
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Monoisotopic Mass | 366.20424 Da |
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IUPAC Name | (5S,6Z,8E,10E,12R,14Z)-5,12-dihydroxyicosa-6,8,10,14-tetraenedioic acid |
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Traditional Name | 20-cooh-LTB4 |
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CAS Registry Number | Not Available |
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SMILES | O[C@@H](CCCC(O)=O)\C=C/C=C/C=C/[C@H](O)C\C=C/CCCCC(O)=O |
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InChI Identifier | InChI=1S/C20H30O6/c21-17(11-6-2-1-3-9-15-19(23)24)12-7-4-5-8-13-18(22)14-10-16-20(25)26/h2,4-8,12-13,17-18,21-22H,1,3,9-11,14-16H2,(H,23,24)(H,25,26)/b5-4+,6-2-,12-7+,13-8-/t17-,18-/m1/s1 |
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InChI Key | SXWGPVJGNOLNHT-VFLUTPEKSA-N |
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Experimental Spectra |
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Predicted Spectra |
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| Spectrum Type | Description | Depositor ID | Depositor Organization | Depositor | Deposition Date | View |
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1D NMR | 13C NMR Spectrum (1D, 25 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
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Chemical Shift Submissions |
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| Not Available |
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Species |
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Species of Origin | Not Available |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Fatty Acyls |
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Sub Class | Fatty acids and conjugates |
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Direct Parent | Long-chain fatty acids |
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Alternative Parents | |
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Substituents | - Long-chain fatty acid
- Hydroxy fatty acid
- Unsaturated fatty acid
- Dicarboxylic acid or derivatives
- Secondary alcohol
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Alcohol
- Aliphatic acyclic compound
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Molecular Framework | Aliphatic acyclic compounds |
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External Descriptors | |
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Physical Properties |
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State | Not Available |
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Experimental Properties | Property | Value | Reference |
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Melting Point | Not Available | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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Predicted Properties | |
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