Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2017-09-09 03:58:32 UTC |
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Update Date | 2022-11-30 19:26:06 UTC |
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HMDB ID | HMDB0115231 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(21:0/18:0) |
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Description | PA(21:0/18:0) is a phosphatidic acid. It is a glycerophospholipid in which a phosphate moiety occupies a glycerol substitution site. As is the case with diacylglycerols, phosphatidic acids can have many different combinations of fatty acids of varying lengths and saturation attached at the C-1 and C-2 positions. Fatty acids containing 16, 18 and 20 carbons are the most common. PA(21:0/18:0), in particular, consists of one chain of heneicosylic acid at the C-1 position and one chain of stearic acid at the C-2 position. Phosphatidic acids are quite rare but are extremely important as intermediates in the biosynthesis of triacylglycerols and phospholipids. |
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Structure | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCC InChI=1S/C42H83O8P/c1-3-5-7-9-11-13-15-17-19-20-21-23-24-26-28-30-32-34-36-41(43)48-38-40(39-49-51(45,46)47)50-42(44)37-35-33-31-29-27-25-22-18-16-14-12-10-8-6-4-2/h40H,3-39H2,1-2H3,(H2,45,46,47)/t40-/m1/s1 |
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Synonyms | Value | Source |
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1-heneicosyloyl-2-stearoyl-sn-glycero-3-phosphate | SMPDB, HMDB | 1-heneicosyloyl-2-stearoyl-sn-phosphatidic acid | SMPDB, HMDB | PA(39:0) | SMPDB, HMDB | Phosphatidic acid(21:0/18:0) | SMPDB, HMDB | Phosphatidic acid(39:0) | SMPDB, HMDB | Phosphatidate(21:0/18:0) | SMPDB, HMDB | Phosphatidate(39:0) | SMPDB, HMDB | PA(21:0/18:0) | SMPDB |
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Chemical Formula | C42H83O8P |
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Average Molecular Weight | 747.092 |
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Monoisotopic Molecular Weight | 746.582556631 |
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IUPAC Name | [(2R)-3-(henicosanoyloxy)-2-(octadecanoyloxy)propoxy]phosphonic acid |
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Traditional Name | (2R)-3-(henicosanoyloxy)-2-(octadecanoyloxy)propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C42H83O8P/c1-3-5-7-9-11-13-15-17-19-20-21-23-24-26-28-30-32-34-36-41(43)48-38-40(39-49-51(45,46)47)50-42(44)37-35-33-31-29-27-25-22-18-16-14-12-10-8-6-4-2/h40H,3-39H2,1-2H3,(H2,45,46,47)/t40-/m1/s1 |
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InChI Key | ODEXYDIISKTNDQ-RRHRGVEJSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as 1,2-diacylglycerol-3-phosphates. These are glycerol-3-phosphates in which the glycerol moiety is bonded to two aliphatic chains through ester linkages. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Glycerophospholipids |
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Sub Class | Glycerophosphates |
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Direct Parent | 1,2-diacylglycerol-3-phosphates |
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Alternative Parents | |
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Substituents | - 1,2-diacylglycerol-3-phosphate
- Fatty acid ester
- Monoalkyl phosphate
- Dicarboxylic acid or derivatives
- Fatty acyl
- Alkyl phosphate
- Phosphoric acid ester
- Organic phosphoric acid derivative
- Carboxylic acid ester
- Carboxylic acid derivative
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen compound
- Carbonyl group
- Organooxygen compound
- 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 | Not Available |
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Process | |
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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 | |
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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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PA(21:0/18:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 5211.0 | Semi standard non polar | 33892256 | PA(21:0/18:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 4703.2 | Standard non polar | 33892256 | PA(21:0/18:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 6279.2 | Standard polar | 33892256 | PA(21:0/18:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 5162.9 | Semi standard non polar | 33892256 | PA(21:0/18:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 4699.6 | Standard non polar | 33892256 | PA(21:0/18:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 5510.0 | Standard polar | 33892256 | PA(21:0/18:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 5526.5 | Semi standard non polar | 33892256 | PA(21:0/18:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 4804.8 | Standard non polar | 33892256 | PA(21:0/18:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 6221.1 | Standard polar | 33892256 |
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| MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 10V, Positive-QTOF | splash10-05mk-1187903700-78c13bbef0c44be85cfa | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 20V, Positive-QTOF | splash10-066s-3196303100-cc26a32dbaa14a7b7760 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 40V, Positive-QTOF | splash10-0159-1098036000-866821a1a92374bf26e6 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 10V, Negative-QTOF | splash10-004i-4039400300-a9d6516a64a19cbb02a0 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 20V, Negative-QTOF | splash10-004i-9014000000-fbab8152ab8a88dd9ea7 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 40V, Negative-QTOF | splash10-004i-9000000000-ddab836f735ab3fd70e6 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 10V, Positive-QTOF | splash10-004j-0000000900-03b3a3dd5984a5ef11d8 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 20V, Positive-QTOF | splash10-0002-0000005900-69c39371c25d2bc15151 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 40V, Positive-QTOF | splash10-01vk-0000906200-d40953509dd8fea4efb4 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 10V, Negative-QTOF | splash10-0002-0000000900-8363eccdcaf0a37b4af1 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 20V, Negative-QTOF | splash10-02ea-0033900400-167ed4bdd845e04159ab | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 40V, Negative-QTOF | splash10-0059-1169600100-3bd8f133a20e4500847f | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 10V, Positive-QTOF | splash10-014i-0000000900-1629fe939b0a7fbd4dd8 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 20V, Positive-QTOF | splash10-01i0-0000009900-406333213a80d107ed79 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(21:0/18:0) 40V, Positive-QTOF | splash10-0i73-0000922400-58f256c6caa2f55eb45f | 2021-09-23 | Wishart Lab | View Spectrum |
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General References | - Moritz A, De Graan PN, Gispen WH, Wirtz KW: Phosphatidic acid is a specific activator of phosphatidylinositol-4-phosphate kinase. J Biol Chem. 1992 Apr 15;267(11):7207-10. [PubMed:1313792 ]
- Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
- Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
- Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
- Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
- Divecha N, Irvine RF: Phospholipid signaling. Cell. 1995 Jan 27;80(2):269-78. [PubMed:7834746 ]
- Moolenaar WH, Kruijer W, Tilly BC, Verlaan I, Bierman AJ, de Laat SW: Growth factor-like action of phosphatidic acid. Nature. 1986 Sep 11-17;323(6084):171-3. [PubMed:3748188 ]
- Yang CY, Frohman MA: Mitochondria: signaling with phosphatidic acid. Int J Biochem Cell Biol. 2012 Aug;44(8):1346-50. doi: 10.1016/j.biocel.2012.05.006. Epub 2012 May 15. [PubMed:22609101 ]
- Cevc, Gregor (1993). Phospholipids Handbook. Marcel Dekker.
- Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.
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