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 03:29:55 UTC |
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Update Date | 2022-11-30 19:26:02 UTC |
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HMDB ID | HMDB0115064 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(20:0/16:0) |
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Description | PA(20:0/16:0) 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(20:0/16:0), in particular, consists of one chain of arachidic acid at the C-1 position and one chain of palmitic 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)CCCCCCCCCCCCCCC InChI=1S/C39H77O8P/c1-3-5-7-9-11-13-15-17-18-19-20-22-23-25-27-29-31-33-38(40)45-35-37(36-46-48(42,43)44)47-39(41)34-32-30-28-26-24-21-16-14-12-10-8-6-4-2/h37H,3-36H2,1-2H3,(H2,42,43,44)/t37-/m1/s1 |
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Synonyms | Value | Source |
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1-arachidoyl-2-palmitoyl-sn-glycero-3-phosphate | SMPDB, HMDB | 1-arachidoyl-2-palmitoyl-sn-phosphatidic acid | SMPDB, HMDB | PA(36:0) | SMPDB, HMDB | Phosphatidic acid(20:0/16:0) | SMPDB, HMDB | Phosphatidic acid(36:0) | SMPDB, HMDB | Phosphatidate(20:0/16:0) | SMPDB, HMDB | Phosphatidate(36:0) | SMPDB, HMDB | PA(20:0/16:0) | SMPDB |
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Chemical Formula | C39H77O8P |
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Average Molecular Weight | 705.011 |
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Monoisotopic Molecular Weight | 704.535606437 |
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IUPAC Name | [(2R)-2-(hexadecanoyloxy)-3-(icosanoyloxy)propoxy]phosphonic acid |
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Traditional Name | (2R)-2-(hexadecanoyloxy)-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)CCCCCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C39H77O8P/c1-3-5-7-9-11-13-15-17-18-19-20-22-23-25-27-29-31-33-38(40)45-35-37(36-46-48(42,43)44)47-39(41)34-32-30-28-26-24-21-16-14-12-10-8-6-4-2/h37H,3-36H2,1-2H3,(H2,42,43,44)/t37-/m1/s1 |
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InChI Key | ZZAZELNMLDEAIM-DIPNUNPCSA-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 | Naturally occurring processBiological processBiochemical pathwayMetabolic pathway- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/20:0) (PathBank: SMP0018909)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/22:0) (PathBank: SMP0018910)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/24:0) (PathBank: SMP0018911)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/14:1(9Z)) (PathBank: SMP0018912)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/16:1(9Z)) (PathBank: SMP0018913)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/18:1(11Z)) (PathBank: SMP0018914)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/18:1(9Z)) (PathBank: SMP0018915)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/20:1(11Z)) (PathBank: SMP0018916)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/20:3(5Z,8Z,11Z)) (PathBank: SMP0018917)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/22:1(13Z)) (PathBank: SMP0018918)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/24:1(15Z)) (PathBank: SMP0018919)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/18:2(9Z,12Z)) (PathBank: SMP0018920)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/18:3(6Z,9Z,12Z)) (PathBank: SMP0018921)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0018922)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/22:2(13Z,16Z)) (PathBank: SMP0018923)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/22:4(7Z,10Z,13Z,16Z)) (PathBank: SMP0018924)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/22:5(4Z,7Z,10Z,13Z,16Z)) (PathBank: SMP0018925)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/18:3(9Z,12Z,15Z)) (PathBank: SMP0018926)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/18:4(6Z,9Z,12Z,15Z)) (PathBank: SMP0018927)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0018928)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0018929)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0018930)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0018931)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/21:0) (PathBank: SMP0026150)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/18:0) (PathBank: SMP0026156)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/14:0) (PathBank: SMP0026162)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/13:0) (PathBank: SMP0026167)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/19:0) (PathBank: SMP0026172)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/10:0) (PathBank: SMP0026177)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/8:0) (PathBank: SMP0026191)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/16:0) (PathBank: SMP0026203)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/15:0) (PathBank: SMP0026208)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/12:0) (PathBank: SMP0026223)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/17:0) (PathBank: SMP0026265)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/20:2(11Z,14Z)) (PathBank: SMP0033691)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/20:3(8Z,11Z,14Z)) (PathBank: SMP0033692)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/a-13:0) (PathBank: SMP0033693)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/a-15:0) (PathBank: SMP0033694)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/a-17:0) (PathBank: SMP0033695)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/a-21:0) (PathBank: SMP0033696)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/a-25:0) (PathBank: SMP0033697)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-12:0) (PathBank: SMP0033698)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-13:0) (PathBank: SMP0033699)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-14:0) (PathBank: SMP0033700)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-15:0) (PathBank: SMP0033701)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-16:0) (PathBank: SMP0033702)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-17:0) (PathBank: SMP0033703)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-18:0) (PathBank: SMP0033704)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-19:0) (PathBank: SMP0033705)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-20:0) (PathBank: SMP0033706)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-21:0) (PathBank: SMP0033707)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-22:0) (PathBank: SMP0033708)
- De Novo Triacylglycerol Biosynthesis TG(20:0/16:0/i-24:0) (PathBank: SMP0033709)
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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(20:0/16:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 4906.3 | Semi standard non polar | 33892256 | PA(20:0/16:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 4445.7 | Standard non polar | 33892256 | PA(20:0/16:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 6002.3 | Standard polar | 33892256 | PA(20:0/16:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 4871.3 | Semi standard non polar | 33892256 | PA(20:0/16:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 4448.3 | Standard non polar | 33892256 | PA(20:0/16:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 5238.3 | Standard polar | 33892256 | PA(20:0/16:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 5184.1 | Semi standard non polar | 33892256 | PA(20:0/16:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 4555.8 | Standard non polar | 33892256 | PA(20:0/16:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCC | 5951.2 | 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(20:0/16:0) 10V, Positive-QTOF | splash10-0a4s-1193303300-1378ca91241d2430a4e1 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 20V, Positive-QTOF | splash10-0002-2192112000-b9bb83f4cf6d3652802a | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 40V, Positive-QTOF | splash10-0fr2-1294053000-3a03c2a49faa78c49953 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 10V, Negative-QTOF | splash10-0nov-5095400300-da905bf9aa891529eacf | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 20V, Negative-QTOF | splash10-004i-9033000000-f07602abba0bcf9a320f | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 40V, Negative-QTOF | splash10-004i-9000000000-c68175e4d008fdfe975e | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 10V, Negative-QTOF | splash10-0udi-0000000900-f85c523bc6724d7e0669 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 20V, Negative-QTOF | splash10-114m-1149900600-0e7220a32ee94550e860 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 40V, Negative-QTOF | splash10-08fr-1159300100-02134a76a36e7f91a734 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 10V, Positive-QTOF | splash10-004i-0000000900-b3d01b3daf9f2fb77903 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 20V, Positive-QTOF | splash10-004i-0000009900-29f19734b913ec00174d | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 40V, Positive-QTOF | splash10-00vi-0000902300-7b41e572a8112d5afb59 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 10V, Positive-QTOF | splash10-052r-0000009500-062fd41b472d2b3aeb9d | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 20V, Positive-QTOF | splash10-0a4i-0000007900-1d377e3c669921a51cd5 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:0/16:0) 40V, Positive-QTOF | splash10-0a4m-0005509100-d87331be7966b3130e61 | 2021-09-24 | 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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