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 03:32:43 UTC |
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Update Date | 2022-11-30 19:26:02 UTC |
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HMDB ID | HMDB0115081 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(20:0/21:0) |
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Description | PA(20:0/21:0) 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(20:0/21:0), in particular, consists of one chain of arachidic acid at the C-1 position and one chain of heneicosylic 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)CCCCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCCC InChI=1S/C44H87O8P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-39-44(46)52-42(41-51-53(47,48)49)40-50-43(45)38-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h42H,3-41H2,1-2H3,(H2,47,48,49)/t42-/m1/s1 |
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Synonyms | Value | Source |
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1-arachidoyl-2-heneicosyloyl-sn-glycero-3-phosphate | SMPDB, HMDB | 1-arachidoyl-2-heneicosyloyl-sn-phosphatidic acid | SMPDB, HMDB | PA(41:0) | SMPDB, HMDB | Phosphatidic acid(20:0/21:0) | SMPDB, HMDB | Phosphatidic acid(41:0) | SMPDB, HMDB | Phosphatidate(20:0/21:0) | SMPDB, HMDB | Phosphatidate(41:0) | SMPDB, HMDB | PA(20:0/21:0) | SMPDB |
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Chemical Formula | C44H87O8P |
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Average Molecular Weight | 775.146 |
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Monoisotopic Molecular Weight | 774.613856759 |
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IUPAC Name | [(2R)-2-(henicosanoyloxy)-3-(icosanoyloxy)propoxy]phosphonic acid |
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Traditional Name | (2R)-2-(henicosanoyloxy)-3-(icosanoyloxy)propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C44H87O8P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-39-44(46)52-42(41-51-53(47,48)49)40-50-43(45)38-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h42H,3-41H2,1-2H3,(H2,47,48,49)/t42-/m1/s1 |
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InChI Key | UQIGILVYGZJVCI-HUESYALOSA-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(20:0/21:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 5411.5 | Semi standard non polar | 33892256 | PA(20:0/21:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 4874.0 | Standard non polar | 33892256 | PA(20:0/21:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 6461.3 | Standard polar | 33892256 | PA(20:0/21:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5757.4 | Semi standard non polar | 33892256 | PA(20:0/21:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4970.9 | Standard non polar | 33892256 | PA(20:0/21:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 6401.1 | 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(20:0/21:0) 10V, Positive-QTOF | splash10-056s-1169802700-0476ad5832889c091310 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 20V, Positive-QTOF | splash10-0002-3297303100-8316b20a7a4781bac365 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 40V, Positive-QTOF | splash10-0gba-1198124100-402bd3f7574ec91d829d | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 10V, Negative-QTOF | splash10-0204-4049300300-825d436bf1e5b4b21b60 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 20V, Negative-QTOF | splash10-004i-9023000000-0bb126c1261dbb11cd20 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 40V, Negative-QTOF | splash10-004i-9000000000-9cb97120171869c0910e | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 10V, Positive-QTOF | splash10-0a6r-0000000900-9bdd887dca6037bdc403 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 20V, Positive-QTOF | splash10-004i-0000005900-4e3066a659b7b8e910ad | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 40V, Positive-QTOF | splash10-01ta-0000906200-ea825d4385f29decd29a | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 10V, Positive-QTOF | splash10-0002-0000000900-59b73e7131dd061f227c | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 20V, Positive-QTOF | splash10-0002-0000009900-101a6d0d1696f8bd7905 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 40V, Positive-QTOF | splash10-0072-0000922400-62c4a862ec2f47a018bc | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 10V, Negative-QTOF | splash10-00di-0000000900-02dc5b3cf396b5aa7b14 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 20V, Negative-QTOF | splash10-03mj-0006900400-ea0b0d4c7e9a15c01a63 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/21:0) 40V, Negative-QTOF | splash10-03fr-0009300000-80fe165e002166dcbd7b | 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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