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 03:25:31 UTC |
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Update Date | 2022-11-30 19:26:01 UTC |
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HMDB ID | HMDB0115039 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(18:4(6Z,9Z,12Z,15Z)/20:0) |
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Description | PA(18:4(6Z,9Z,12Z,15Z)/20:0) 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(18:4(6Z,9Z,12Z,15Z)/20:0), in particular, consists of one chain of stearidonic acid at the C-1 position and one chain of arachidic 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)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCC InChI=1S/C41H73O8P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-41(43)49-39(38-48-50(44,45)46)37-47-40(42)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h6,8,12,14,18,21,25,27,39H,3-5,7,9-11,13,15-17,19-20,22-24,26,28-38H2,1-2H3,(H2,44,45,46)/b8-6-,14-12-,21-18-,27-25-/t39-/m1/s1 |
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Synonyms | Value | Source |
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1-stearidonoyl-2-arachidoyl-sn-glycero-3-phosphate | SMPDB, HMDB | 1-stearidonoyl-2-arachidoyl-sn-phosphatidic acid | SMPDB, HMDB | PA(18:4/20:0) | SMPDB, HMDB | PA(18:4n3/20:0) | SMPDB, HMDB | PA(18:4w3/20:0) | SMPDB, HMDB | PA(38:4) | SMPDB, HMDB | Phosphatidic acid(18:4(6Z,9Z,12Z,15Z)/20:0) | SMPDB, HMDB | Phosphatidic acid(18:4/20:0) | SMPDB, HMDB | Phosphatidic acid(18:4n3/20:0) | SMPDB, HMDB | Phosphatidic acid(18:4w3/20:0) | SMPDB, HMDB | Phosphatidic acid(38:4) | SMPDB, HMDB | Phosphatidate(18:4(6Z,9Z,12Z,15Z)/20:0) | SMPDB, HMDB | Phosphatidate(18:4/20:0) | SMPDB, HMDB | Phosphatidate(18:4n3/20:0) | SMPDB, HMDB | Phosphatidate(18:4w3/20:0) | SMPDB, HMDB | Phosphatidate(38:4) | SMPDB, HMDB | PA(18:4(6Z,9Z,12Z,15Z)/20:0) | SMPDB |
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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)-2-(icosanoyloxy)-3-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyloxy]propoxy]phosphonic acid |
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Traditional Name | (2R)-2-(icosanoyloxy)-3-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyloxy]propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C41H73O8P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-41(43)49-39(38-48-50(44,45)46)37-47-40(42)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h6,8,12,14,18,21,25,27,39H,3-5,7,9-11,13,15-17,19-20,22-24,26,28-38H2,1-2H3,(H2,44,45,46)/b8-6-,14-12-,21-18-,27-25-/t39-/m1/s1 |
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InChI Key | AYNHDSWURDCMRT-APWHBQGGSA-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(18:4(6Z,9Z,12Z,15Z)/20:0/18:4(6Z,9Z,12Z,15Z)) (PathBank: SMP0025788)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0025789)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0025790)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0025791)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0025792)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/20:0) (PathBank: SMP0067281)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/20:1(11Z)) (PathBank: SMP0067282)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/20:2(11Z,14Z)) (PathBank: SMP0067283)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/20:3(5Z,8Z,11Z)) (PathBank: SMP0067284)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/20:3(8Z,11Z,14Z)) (PathBank: SMP0067285)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0067286)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/22:0) (PathBank: SMP0067289)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/22:1(13Z)) (PathBank: SMP0067290)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/22:2(13Z,16Z)) (PathBank: SMP0067291)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/22:4(7Z,10Z,13Z,16Z)) (PathBank: SMP0067292)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/22:5(4Z,7Z,10Z,13Z,16Z)) (PathBank: SMP0067293)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/24:0) (PathBank: SMP0067296)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/20:0/24:1(15Z)) (PathBank: SMP0067297)
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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(18:4(6Z,9Z,12Z,15Z)/20:0),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 5145.3 | Semi standard non polar | 33892256 | PA(18:4(6Z,9Z,12Z,15Z)/20:0),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 4555.3 | Standard non polar | 33892256 | PA(18:4(6Z,9Z,12Z,15Z)/20:0),1TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 5824.2 | Standard polar | 33892256 | PA(18:4(6Z,9Z,12Z,15Z)/20:0),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 5109.4 | Semi standard non polar | 33892256 | PA(18:4(6Z,9Z,12Z,15Z)/20:0),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 4522.3 | Standard non polar | 33892256 | PA(18:4(6Z,9Z,12Z,15Z)/20:0),2TMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 5092.1 | Standard polar | 33892256 | PA(18:4(6Z,9Z,12Z,15Z)/20:0),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 5366.1 | Semi standard non polar | 33892256 | PA(18:4(6Z,9Z,12Z,15Z)/20:0),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 4653.9 | Standard non polar | 33892256 | PA(18:4(6Z,9Z,12Z,15Z)/20:0),1TBDMS,isomer #1 | CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC | 5803.4 | 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(18:4(6Z,9Z,12Z,15Z)/20:0) 10V, Positive-QTOF | splash10-06tb-1092602400-0aef52924de5f1f454b8 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 20V, Positive-QTOF | splash10-0002-2193201000-0faa93a13dd2b0900572 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 40V, Positive-QTOF | splash10-0gc0-0093002000-c4b0d7b2f2509bdfb5c7 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 10V, Negative-QTOF | splash10-004i-4092300200-476d4a29787c36ef7c4d | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 20V, Negative-QTOF | splash10-004i-9050000000-9f2e094d428ec7f9a227 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 40V, Negative-QTOF | splash10-004i-9000000000-80bcb970c570c18f9c2e | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 10V, Positive-QTOF | splash10-0002-0000000900-c7217cc8b4fecc83cb81 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 20V, Positive-QTOF | splash10-0002-0000009900-9aeab714e87e1529316e | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 40V, Positive-QTOF | splash10-0072-0000902300-c834fb1126c61d504cd2 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 10V, Positive-QTOF | splash10-0a6r-0000000900-f25618a4673f1c76e672 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 20V, Positive-QTOF | splash10-004i-0000005900-4871ac345f15ca0d32cd | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 40V, Positive-QTOF | splash10-01ta-0000906200-de58e4a84108af6da12b | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 10V, Negative-QTOF | splash10-00di-0000000900-503da6078c6f482f0a70 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 20V, Negative-QTOF | splash10-03mi-0033900400-658a21b8d13a3aa6bdaa | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/20:0) 40V, Negative-QTOF | splash10-01t9-1196600100-7f7320b3779ff2802917 | 2021-09-25 | Wishart Lab | View Spectrum |
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Pathways | |
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