Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2006-10-25 13:16:40 UTC |
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Update Date | 2022-03-07 02:49:25 UTC |
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HMDB ID | HMDB0005089 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 12(S)-Leukotriene B4 |
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Description | 12(S)-Leukotriene B4 is an agonist of G-protein-coupled receptors for leukotriene B4 (LTB4), BLT1, and BLT2. Leukotrienes are metabolites of arachidonic acid derived from the action of 5-LO (5-lipoxygenase). 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. The regulation of leukotriene production occurs at various levels, including expression of 5-LO, translocation of 5-LO to the perinuclear region, and phosphorylation to either enhance or inhibit the activity of 5-LO. Biologically active LTB4 is metabolized by omega-oxidation carried out by specific cytochrome P450s (CYP4F) followed by beta-oxidation from the omega-carboxy position and after CoA ester formation (PMID: 7649996 , 17623009 , 2866160 , 15866883 ). Leukotrienes 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 signalling pathways. |
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Structure | CCCCC\C=C/C[C@H](O)\C=C\C=C\C=C/[C@@H](O)CCCC(O)=O InChI=1S/C20H32O4/c1-2-3-4-5-6-9-13-18(21)14-10-7-8-11-15-19(22)16-12-17-20(23)24/h6-11,14-15,18-19,21-22H,2-5,12-13,16-17H2,1H3,(H,23,24)/b8-7+,9-6-,14-10+,15-11-/t18-,19+/m0/s1 |
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Synonyms | Value | Source |
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12-Epi-LTB4 | ChEBI | 12S-LTB4 | ChEBI | 5S,12S-Dihydroxy-6Z,8E,10E,14Z-eicosatetraenoic acid | ChEBI | 5S,12S-Dihydroxy-6Z,8E,10E,14Z-eicosatetraenoate | Generator | 2-Epi-LTB4 | HMDB | 5(S),12(S)-Dihydroxyeicosatetraenoate | HMDB | 5(S),12(S)-Dihydroxyeicosatetraenoic acid | HMDB | 5S,12S-Dihydroxy-6Z,8E,10E,14Z-eicsatetraenoate | HMDB | 5S,12S-Dihydroxy-6Z,8E,10E,14Z-eicsatetraenoic acid | HMDB | [S-[R*,r*-(e,Z,e,Z)]]-5,12-dihydroxy-6,8,10,14-eicosatetraenoate | HMDB | [S-[R*,r*-(e,Z,e,Z)]]-5,12-dihydroxy-6,8,10,14-eicosatetraenoic acid | HMDB | (5S,6Z,8E,10E,12S,14Z)-5,12-Dihydroxy-6,8,10,14-eicosatetraenoic acid | HMDB | 12-Epi-leukotriene b4 | HMDB | 12(S)-Leukotriene b4 | ChEBI | 12(S)-Leukotriene B4 | HMDB |
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Chemical Formula | C20H32O4 |
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Average Molecular Weight | 336.4657 |
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Monoisotopic Molecular Weight | 336.230059512 |
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IUPAC Name | (5S,6Z,8E,10E,12S,14Z)-5,12-dihydroxyicosa-6,8,10,14-tetraenoic acid |
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Traditional Name | 20-Hydroxy-LTB4 |
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CAS Registry Number | 83709-73-3 |
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SMILES | CCCCC\C=C/C[C@H](O)\C=C\C=C\C=C/[C@@H](O)CCCC(O)=O |
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InChI Identifier | InChI=1S/C20H32O4/c1-2-3-4-5-6-9-13-18(21)14-10-7-8-11-15-19(22)16-12-17-20(23)24/h6-11,14-15,18-19,21-22H,2-5,12-13,16-17H2,1H3,(H,23,24)/b8-7+,9-6-,14-10+,15-11-/t18-,19+/m0/s1 |
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InChI Key | VNYSSYRCGWBHLG-CBBLYLIKSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as leukotrienes. These are eicosanoids containing a hydroxyl group attached to the aliphatic chain of an arachidonic acid. Leukotrienes have four double bonds, three (and only three) of which are conjugated. |
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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 | Eicosanoids |
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Direct Parent | Leukotrienes |
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Alternative Parents | |
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Substituents | - Leukotriene
- Hydroxyeicosatetraenoic acid
- Long-chain fatty acid
- Hydroxy fatty acid
- Fatty acid
- Unsaturated fatty acid
- Secondary alcohol
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organooxygen compound
- Alcohol
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen compound
- Carbonyl group
- Aliphatic acyclic compound
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Molecular Framework | Aliphatic acyclic compounds |
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External Descriptors | |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | Not Available |
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Role | Not Available |
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Physical Properties |
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State | Solid |
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Experimental Molecular 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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Experimental Chromatographic Properties | Not Available |
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Predicted Molecular Properties | | Show more...
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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12(S)-Leukotriene B4,1TMS,isomer #1 | CCCCC/C=C\C[C@@H](/C=C/C=C/C=C\[C@@H](O)CCCC(=O)O)O[Si](C)(C)C | 3003.9 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,1TMS,isomer #2 | CCCCC/C=C\C[C@H](O)/C=C/C=C/C=C\[C@H](CCCC(=O)O)O[Si](C)(C)C | 2997.2 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,1TMS,isomer #3 | CCCCC/C=C\C[C@H](O)/C=C/C=C/C=C\[C@@H](O)CCCC(=O)O[Si](C)(C)C | 2902.7 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,2TMS,isomer #1 | CCCCC/C=C\C[C@@H](/C=C/C=C/C=C\[C@H](CCCC(=O)O)O[Si](C)(C)C)O[Si](C)(C)C | 3062.5 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,2TMS,isomer #2 | CCCCC/C=C\C[C@@H](/C=C/C=C/C=C\[C@@H](O)CCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 2960.7 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,2TMS,isomer #3 | CCCCC/C=C\C[C@H](O)/C=C/C=C/C=C\[C@H](CCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 2958.3 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,3TMS,isomer #1 | CCCCC/C=C\C[C@@H](/C=C/C=C/C=C\[C@H](CCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C)O[Si](C)(C)C | 3003.4 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,1TBDMS,isomer #1 | CCCCC/C=C\C[C@@H](/C=C/C=C/C=C\[C@@H](O)CCCC(=O)O)O[Si](C)(C)C(C)(C)C | 3251.3 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,1TBDMS,isomer #2 | CCCCC/C=C\C[C@H](O)/C=C/C=C/C=C\[C@H](CCCC(=O)O)O[Si](C)(C)C(C)(C)C | 3244.7 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,1TBDMS,isomer #3 | CCCCC/C=C\C[C@H](O)/C=C/C=C/C=C\[C@@H](O)CCCC(=O)O[Si](C)(C)C(C)(C)C | 3148.3 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,2TBDMS,isomer #1 | CCCCC/C=C\C[C@@H](/C=C/C=C/C=C\[C@H](CCCC(=O)O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 3518.0 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,2TBDMS,isomer #2 | CCCCC/C=C\C[C@@H](/C=C/C=C/C=C\[C@@H](O)CCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 3449.6 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,2TBDMS,isomer #3 | CCCCC/C=C\C[C@H](O)/C=C/C=C/C=C\[C@H](CCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 3444.0 | Semi standard non polar | 33892256 | 12(S)-Leukotriene B4,3TBDMS,isomer #1 | CCCCC/C=C\C[C@@H](/C=C/C=C/C=C\[C@H](CCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 3735.9 | Semi standard non polar | 33892256 |
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Spectra |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - 12(S)-Leukotriene B4 GC-MS (Non-derivatized) - 70eV, Positive | splash10-066r-7896000000-782d01776a33cc451555 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 12(S)-Leukotriene B4 GC-MS (3 TMS) - 70eV, Positive | splash10-01rl-9113530000-205b0d713aeb42a9afc2 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 12(S)-Leukotriene B4 GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 10V, Positive-QTOF | splash10-0gb9-0019000000-69c64ad7b55da6a633e1 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 20V, Positive-QTOF | splash10-0v4i-5598000000-0a1483f60114546ce2c7 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 40V, Positive-QTOF | splash10-052f-9550000000-0ad5f1d400a5ff275f25 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 10V, Negative-QTOF | splash10-00kr-0029000000-0164a507a03180713a2e | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 20V, Negative-QTOF | splash10-014r-2269000000-52f6b9d4ecc4e26ff1fe | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 40V, Negative-QTOF | splash10-0a4l-9340000000-c2e72464c072384447e0 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 10V, Negative-QTOF | splash10-000i-0009000000-74962f74765b30de04ac | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 20V, Negative-QTOF | splash10-00kr-3659000000-98607094f1fa036e16e2 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 40V, Negative-QTOF | splash10-052f-5191000000-91a6c7d4dfff9bd70967 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 10V, Positive-QTOF | splash10-0uxr-0019000000-bbfb0bde6a04ea9b05bc | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 20V, Positive-QTOF | splash10-0udi-3439000000-d8140c418a63ad2159a3 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 12(S)-Leukotriene B4 40V, Positive-QTOF | splash10-0ar0-9320000000-afb563cb7a2b51e02836 | 2021-09-25 | Wishart Lab | View Spectrum |
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Biological Properties |
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Cellular Locations | |
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Biospecimen Locations | Not Available |
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Tissue Locations | Not Available |
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Pathways | |
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Normal Concentrations |
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Abnormal Concentrations |
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| Not Available |
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Associated Disorders and Diseases |
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Disease References | None |
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Associated OMIM IDs | None |
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External Links |
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DrugBank ID | Not Available |
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Phenol Explorer Compound ID | Not Available |
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FooDB ID | FDB023627 |
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KNApSAcK ID | Not Available |
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Chemspider ID | 4446254 |
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KEGG Compound ID | C04853 |
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BioCyc ID | Not Available |
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BiGG ID | Not Available |
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Wikipedia Link | Not Available |
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METLIN ID | Not Available |
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PubChem Compound | 5283130 |
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PDB ID | Not Available |
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ChEBI ID | 72795 |
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Food Biomarker Ontology | Not Available |
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VMH ID | Not Available |
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MarkerDB ID | Not Available |
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Good Scents ID | Not Available |
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References |
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Synthesis Reference | Not Available |
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Material Safety Data Sheet (MSDS) | Not Available |
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General References | - Wheelan P, Murphy RC: Metabolism of 6-trans-isomers of leukotriene B4 in cultured hepatoma cells and in human polymorphonuclear leukocytes. Identification of a delta 6-reductase metabolic pathway. J Biol Chem. 1995 Aug 25;270(34):19845-52. [PubMed:7649996 ]
- Bremm KD, Konig W, Pfeiffer P, Rauschen I, Theobald K, Thelestam M, Alouf JE: Effect of thiol-activated toxins (streptolysin O, alveolysin, and theta toxin) on the generation of leukotrienes and leukotriene-inducing and -metabolizing enzymes from human polymorphonuclear granulocytes. Infect Immun. 1985 Dec;50(3):844-51. [PubMed:2866160 ]
- Murphy RC, Gijon MA: Biosynthesis and metabolism of leukotrienes. Biochem J. 2007 Aug 1;405(3):379-95. [PubMed:17623009 ]
- Iizuka Y, Yokomizo T, Terawaki K, Komine M, Tamaki K, Shimizu T: Characterization of a mouse second leukotriene B4 receptor, mBLT2: BLT2-dependent ERK activation and cell migration of primary mouse keratinocytes. J Biol Chem. 2005 Jul 1;280(26):24816-23. Epub 2005 May 2. [PubMed:15866883 ]
- Lipid Maps (LMFA03020015) [Link]
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