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 03:49:20 UTC |
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Update Date | 2022-11-30 19:26:05 UTC |
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HMDB ID | HMDB0115176 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(20:4(8Z,11Z,14Z,17Z)/18:0) |
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Description | PA(20:4(8Z,11Z,14Z,17Z)/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(20:4(8Z,11Z,14Z,17Z)/18:0), in particular, consists of one chain of eicosatetraenoic 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)CCCCCC\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCC InChI=1S/C41H73O8P/c1-3-5-7-9-11-13-15-17-19-20-22-23-25-27-29-31-33-35-40(42)47-37-39(38-48-50(44,45)46)49-41(43)36-34-32-30-28-26-24-21-18-16-14-12-10-8-6-4-2/h5,7,11,13,17,19,22-23,39H,3-4,6,8-10,12,14-16,18,20-21,24-38H2,1-2H3,(H2,44,45,46)/b7-5-,13-11-,19-17-,23-22-/t39-/m1/s1 |
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Synonyms | Value | Source |
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1-eicosatetraenoyl-2-stearoyl-sn-glycero-3-phosphate | SMPDB, HMDB | 1-eicosatetraenoyl-2-stearoyl-sn-phosphatidic acid | SMPDB, HMDB | PA(20:4/18:0) | SMPDB, HMDB | PA(20:4n3/18:0) | SMPDB, HMDB | PA(20:4w3/18:0) | SMPDB, HMDB | PA(38:4) | SMPDB, HMDB | Phosphatidic acid(20:4(8Z,11Z,14Z,17Z)/18:0) | SMPDB, HMDB | Phosphatidic acid(20:4/18:0) | SMPDB, HMDB | Phosphatidic acid(20:4n3/18:0) | SMPDB, HMDB | Phosphatidic acid(20:4w3/18:0) | SMPDB, HMDB | Phosphatidic acid(38:4) | SMPDB, HMDB | Phosphatidate(20:4(8Z,11Z,14Z,17Z)/18:0) | SMPDB, HMDB | Phosphatidate(20:4/18:0) | SMPDB, HMDB | Phosphatidate(20:4n3/18:0) | SMPDB, HMDB | Phosphatidate(20:4w3/18:0) | SMPDB, HMDB | Phosphatidate(38:4) | SMPDB, HMDB | PA(20:4(8Z,11Z,14Z,17Z)/18:0) | SMPDB | [(2R)-3-[(8Z,11Z,14Z,17Z)-Icosa-8,11,14,17-tetraenoyloxy]-2-(octadecanoyloxy)propoxy]phosphonate | Generator, HMDB |
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Chemical Formula | C41H73O8P |
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Average Molecular Weight | 725.001 |
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Monoisotopic Molecular Weight | 724.504306309 |
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IUPAC Name | [(2R)-3-[(8Z,11Z,14Z,17Z)-icosa-8,11,14,17-tetraenoyloxy]-2-(octadecanoyloxy)propoxy]phosphonic acid |
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Traditional Name | (2R)-3-[(8Z,11Z,14Z,17Z)-icosa-8,11,14,17-tetraenoyloxy]-2-(octadecanoyloxy)propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCCCC\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C41H73O8P/c1-3-5-7-9-11-13-15-17-19-20-22-23-25-27-29-31-33-35-40(42)47-37-39(38-48-50(44,45)46)49-41(43)36-34-32-30-28-26-24-21-18-16-14-12-10-8-6-4-2/h5,7,11,13,17,19,22-23,39H,3-4,6,8-10,12,14-16,18,20-21,24-38H2,1-2H3,(H2,44,45,46)/b7-5-,13-11-,19-17-,23-22-/t39-/m1/s1 |
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InChI Key | UGMQWUUIHYULOO-DSLHAZOBSA-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 | Not Available |
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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(20:4(8Z,11Z,14Z,17Z)/18:0/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0025915)
- De Novo Triacylglycerol Biosynthesis TG(20:4(8Z,11Z,14Z,17Z)/18:0/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0025916)
- De Novo Triacylglycerol Biosynthesis TG(20:4(8Z,11Z,14Z,17Z)/18:0/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0025917)
- De Novo Triacylglycerol Biosynthesis TG(20:4(8Z,11Z,14Z,17Z)/18:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0025918)
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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(20:4(8Z,11Z,14Z,17Z)/18:0),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 5139.0 | Semi standard non polar | 33892256 | PA(20:4(8Z,11Z,14Z,17Z)/18:0),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 4556.5 | Standard non polar | 33892256 | PA(20:4(8Z,11Z,14Z,17Z)/18:0),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 5823.3 | Standard polar | 33892256 | PA(20:4(8Z,11Z,14Z,17Z)/18:0),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 5105.4 | Semi standard non polar | 33892256 | PA(20:4(8Z,11Z,14Z,17Z)/18:0),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 4522.5 | Standard non polar | 33892256 | PA(20:4(8Z,11Z,14Z,17Z)/18:0),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 5092.2 | Standard polar | 33892256 | PA(20:4(8Z,11Z,14Z,17Z)/18:0),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 5361.6 | Semi standard non polar | 33892256 | PA(20:4(8Z,11Z,14Z,17Z)/18:0),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 4655.0 | Standard non polar | 33892256 | PA(20:4(8Z,11Z,14Z,17Z)/18:0),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC | 5802.6 | 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(20:4(8Z,11Z,14Z,17Z)/18:0) 10V, Positive-QTOF | splash10-05rc-1091502400-d2a8d6b8537284d83ad8 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 20V, Positive-QTOF | splash10-00kk-2192201000-e39e8eb9360d6ba4b357 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 40V, Positive-QTOF | splash10-01rj-1095001000-aed601d63a5c85e7a22f | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 10V, Negative-QTOF | splash10-0f9i-5095400300-8950b483c290e7a421c2 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 20V, Negative-QTOF | splash10-004i-9032000000-f4c577f96412372397cb | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 40V, Negative-QTOF | splash10-004i-9000000000-3bba87467c91a60eb71d | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 10V, Positive-QTOF | splash10-0a6r-0000000900-f25618a4673f1c76e672 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 20V, Positive-QTOF | splash10-004i-0000005900-4871ac345f15ca0d32cd | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 40V, Positive-QTOF | splash10-00bc-0000906200-7294ef93ca5f69f9e4aa | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 10V, Positive-QTOF | splash10-0002-0000000900-c7217cc8b4fecc83cb81 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 20V, Positive-QTOF | splash10-0002-0000009900-9aeab714e87e1529316e | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 40V, Positive-QTOF | splash10-01ow-0000902300-995101269d842928660d | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 10V, Negative-QTOF | splash10-00di-0000000900-503da6078c6f482f0a70 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 20V, Negative-QTOF | splash10-0fz0-0033900400-ab040c9c4a7a7526492b | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(20:4(8Z,11Z,14Z,17Z)/18:0) 40V, Negative-QTOF | splash10-0ue9-1169600100-de071691e999a8613195 | 2021-09-25 | Wishart Lab | View Spectrum |
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Pathways | |
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