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 05:36:03 UTC |
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Update Date | 2022-11-30 19:26:19 UTC |
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HMDB ID | HMDB0115717 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(a-21:0/13:0) |
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Description | PA(a-21:0/13:0) 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(a-21:0/13:0), in particular, consists of one chain of anteisoheneicosanoic acid at the C-1 position and one chain of tridecylic 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(C)CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCC InChI=1S/C37H73O8P/c1-4-6-7-8-9-10-18-22-25-28-31-37(39)45-35(33-44-46(40,41)42)32-43-36(38)30-27-24-21-19-16-14-12-11-13-15-17-20-23-26-29-34(3)5-2/h34-35H,4-33H2,1-3H3,(H2,40,41,42)/t34?,35-/m1/s1 |
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Synonyms | Value | Source |
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1-Anteisoheneicosanoyl-2-tridecyloyl-sn-glycero-3-phosphate | HMDB | 1-Anteisoheneicosanoyl-2-tridecyloyl-sn-phosphatidic acid | HMDB | PA(34:0) | HMDB | Phosphatidic acid(a-21:0/13:0) | HMDB | Phosphatidic acid(34:0) | HMDB | Phosphatidate(A-21:0/13:0) | HMDB | Phosphatidate(34:0) | HMDB | [(2R)-3-[(18-Methylicosanoyl)oxy]-2-(tridecanoyloxy)propoxy]phosphonate | HMDB | PA(a-21:0/13:0) | SMPDB |
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Chemical Formula | C37H73O8P |
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Average Molecular Weight | 676.957 |
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Monoisotopic Molecular Weight | 676.504306309 |
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IUPAC Name | [(2R)-3-[(18-methylicosanoyl)oxy]-2-(tridecanoyloxy)propoxy]phosphonic acid |
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Traditional Name | (2R)-3-[(18-methylicosanoyl)oxy]-2-(tridecanoyloxy)propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C37H73O8P/c1-4-6-7-8-9-10-18-22-25-28-31-37(39)45-35(33-44-46(40,41)42)32-43-36(38)30-27-24-21-19-16-14-12-11-13-15-17-20-23-26-29-34(3)5-2/h34-35H,4-33H2,1-3H3,(H2,40,41,42)/t34?,35-/m1/s1 |
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InChI Key | KODJJDRIWAKRHZ-ICBMVRCQSA-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 | |
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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(a-21:0/13:0),1TMS,isomer #1 | CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C | 4674.8 | Semi standard non polar | 33892256 | PA(a-21:0/13:0),1TMS,isomer #1 | CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C | 4102.9 | Standard non polar | 33892256 | PA(a-21:0/13:0),1TMS,isomer #1 | CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C | 5665.5 | Standard polar | 33892256 | PA(a-21:0/13:0),2TMS,isomer #1 | CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4667.5 | Semi standard non polar | 33892256 | PA(a-21:0/13:0),2TMS,isomer #1 | CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4120.9 | Standard non polar | 33892256 | PA(a-21:0/13:0),2TMS,isomer #1 | CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4950.1 | Standard polar | 33892256 | PA(a-21:0/13:0),1TBDMS,isomer #1 | CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4912.7 | Semi standard non polar | 33892256 | PA(a-21:0/13:0),1TBDMS,isomer #1 | CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4234.3 | Standard non polar | 33892256 | PA(a-21:0/13:0),1TBDMS,isomer #1 | CCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5632.9 | 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(a-21:0/13:0) 10V, Positive-QTOF | splash10-056s-2739526000-9b47da2e420803a341c8 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 20V, Positive-QTOF | splash10-05mk-4935211000-0b12fde069a88517e1ae | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 40V, Positive-QTOF | splash10-05o1-5945030000-8c6b34052ab69e4cab52 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 10V, Negative-QTOF | splash10-004i-4029202000-77d7582c4800309c6e0b | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 20V, Negative-QTOF | splash10-004i-9014000000-968fc6ad5f0df0f09b8f | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 40V, Negative-QTOF | splash10-004i-9000000000-bf1fc2f6fd14547ddf6c | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 10V, Negative-QTOF | splash10-004i-0000009000-70ee80b755cdf52afbc6 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 20V, Negative-QTOF | splash10-01t9-1139605000-54a909ecb65b4d70d011 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 40V, Negative-QTOF | splash10-01t9-1149201000-ad1ddef9e30ec661b820 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 10V, Positive-QTOF | splash10-0a6r-0000009000-7e0999ffc52b0364062b | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 20V, Positive-QTOF | splash10-004i-0000059000-74a8587c7290e14c68dd | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 40V, Positive-QTOF | splash10-0h00-0006693000-8164ea975714c27fd60c | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 10V, Positive-QTOF | splash10-0002-0000009000-72505f865a777aa569e9 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 20V, Positive-QTOF | splash10-0udk-0000009000-1655ebf774f16e4bfcd2 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/13:0) 40V, Positive-QTOF | splash10-0ukm-0007439000-5032a5daa8468677b483 | 2021-09-24 | Wishart Lab | View Spectrum |
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