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 02:57:19 UTC |
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Update Date | 2022-11-30 19:25:57 UTC |
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HMDB ID | HMDB0114873 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(18:0/14:0) |
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Description | PA(18:0/14:0) 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(18:0/14:0), in particular, consists of one chain of stearic acid at the C-1 position and one chain of myristic 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)CCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCC InChI=1S/C35H69O8P/c1-3-5-7-9-11-13-15-16-17-18-20-21-23-25-27-29-34(36)41-31-33(32-42-44(38,39)40)43-35(37)30-28-26-24-22-19-14-12-10-8-6-4-2/h33H,3-32H2,1-2H3,(H2,38,39,40)/t33-/m1/s1 |
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Synonyms | Value | Source |
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1-stearoyl-2-myristoyl-sn-glycero-3-phosphate | SMPDB, HMDB | 1-stearoyl-2-myristoyl-sn-phosphatidic acid | SMPDB, HMDB | PA(32:0) | SMPDB, HMDB | Phosphatidic acid(18:0/14:0) | SMPDB, HMDB | Phosphatidic acid(32:0) | SMPDB, HMDB | Phosphatidate(18:0/14:0) | SMPDB, HMDB | Phosphatidate(32:0) | SMPDB, HMDB | PA(18:0/14:0) | SMPDB |
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Chemical Formula | C35H69O8P |
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Average Molecular Weight | 648.903 |
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Monoisotopic Molecular Weight | 648.47300618 |
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IUPAC Name | [(2R)-3-(octadecanoyloxy)-2-(tetradecanoyloxy)propoxy]phosphonic acid |
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Traditional Name | (2R)-3-(octadecanoyloxy)-2-(tetradecanoyloxy)propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C35H69O8P/c1-3-5-7-9-11-13-15-16-17-18-20-21-23-25-27-29-34(36)41-31-33(32-42-44(38,39)40)43-35(37)30-28-26-24-22-19-14-12-10-8-6-4-2/h33H,3-32H2,1-2H3,(H2,38,39,40)/t33-/m1/s1 |
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InChI Key | DWGJHCMBFDOLHU-MGBGTMOVSA-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- Phospholipid Biosynthesis CL(18:0/14:0/18:0/14:0) (PathBank: SMP0001780)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/16:1(9Z)) (PathBank: SMP0016039)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/18:0) (PathBank: SMP0016040)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/18:1(11Z)) (PathBank: SMP0016041)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/18:1(9Z)) (PathBank: SMP0016042)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/18:2(9Z,12Z)) (PathBank: SMP0016043)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/20:0) (PathBank: SMP0018244)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/22:0) (PathBank: SMP0018245)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/24:0) (PathBank: SMP0018246)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/14:1(9Z)) (PathBank: SMP0018247)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/20:1(11Z)) (PathBank: SMP0018248)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/20:3(5Z,8Z,11Z)) (PathBank: SMP0018249)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/22:1(13Z)) (PathBank: SMP0018250)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/24:1(15Z)) (PathBank: SMP0018251)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/18:3(6Z,9Z,12Z)) (PathBank: SMP0018252)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0018253)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/22:2(13Z,16Z)) (PathBank: SMP0018254)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/22:4(7Z,10Z,13Z,16Z)) (PathBank: SMP0018255)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/22:5(4Z,7Z,10Z,13Z,16Z)) (PathBank: SMP0018256)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/18:3(9Z,12Z,15Z)) (PathBank: SMP0018257)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/18:4(6Z,9Z,12Z,15Z)) (PathBank: SMP0018258)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0018259)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0018260)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0018261)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0018262)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/20:2(11Z,14Z)) (PathBank: SMP0032933)
- De Novo Triacylglycerol Biosynthesis TG(18:0/14:0/20:3(8Z,11Z,14Z)) (PathBank: SMP0032934)
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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(18:0/14:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC | 4493.9 | Semi standard non polar | 33892256 | PA(18:0/14:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC | 4101.5 | Standard non polar | 33892256 | PA(18:0/14:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC | 5604.8 | Standard polar | 33892256 | PA(18:0/14:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC | 4480.8 | Semi standard non polar | 33892256 | PA(18:0/14:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC | 4113.1 | Standard non polar | 33892256 | PA(18:0/14:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC | 4875.7 | Standard polar | 33892256 | PA(18:0/14:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCC | 4753.2 | Semi standard non polar | 33892256 | PA(18:0/14:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCC | 4224.6 | Standard non polar | 33892256 | PA(18:0/14:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCC | 5589.0 | Standard polar | 33892256 | PA(18:0/14:0),2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCC | 5031.1 | Semi standard non polar | 33892256 | PA(18:0/14:0),2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCC | 4335.6 | Standard non polar | 33892256 | PA(18:0/14:0),2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCC | 4960.2 | Standard polar | 33892256 |
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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 - PA(18:0/14:0) GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2022-08-08 | 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 - PA(18:0/14:0) 10V, Positive-QTOF | splash10-0301-1192314000-5452e17e93a8299385e7 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 20V, Positive-QTOF | splash10-02vj-2393220000-bc3cb695303809f5eb6b | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 40V, Positive-QTOF | splash10-016u-1393150000-813b14b012153e90eb00 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 10V, Negative-QTOF | splash10-00pj-3090202000-05d9dc01df51d562a678 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 20V, Negative-QTOF | splash10-004i-9060000000-4055cff3add34128a6fa | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 40V, Negative-QTOF | splash10-004i-9000000000-b603d3f069e4ecec5bef | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 10V, Negative-QTOF | splash10-0002-0000009000-5d6932d42201ac99e40a | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 20V, Negative-QTOF | splash10-02wb-1195706000-779da43ffb988c010a9e | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 40V, Negative-QTOF | splash10-003r-0091100000-36187a35e207504d9cb6 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 10V, Positive-QTOF | splash10-001j-0000009000-6c5d51790d44b8f28697 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 20V, Positive-QTOF | splash10-0f6t-0000059000-f0c15a320524af660ac4 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 40V, Positive-QTOF | splash10-0v4i-0006693000-44ceabcf4c9dcbf4b265 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 10V, Positive-QTOF | splash10-00di-0000009000-8e723670c2d6da7d1500 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 20V, Positive-QTOF | splash10-00di-0000099000-cef7e1d91751b702106e | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:0/14:0) 40V, Positive-QTOF | splash10-00du-0003934000-39228be89cf889e58689 | 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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