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 05:36:30 UTC |
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Update Date | 2022-11-30 19:26:19 UTC |
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HMDB ID | HMDB0115721 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(a-21:0/17:0) |
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Description | PA(a-21:0/17:0) 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-21:0/17:0), in particular, consists of one chain of anteisoheneicosanoic acid at the C-1 position and one chain of margaric 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)CCCCCCCCCCCCCCCC InChI=1S/C41H81O8P/c1-4-6-7-8-9-10-11-12-16-20-23-26-29-32-35-41(43)49-39(37-48-50(44,45)46)36-47-40(42)34-31-28-25-22-19-17-14-13-15-18-21-24-27-30-33-38(3)5-2/h38-39H,4-37H2,1-3H3,(H2,44,45,46)/t38?,39-/m1/s1 |
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Synonyms | Value | Source |
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1-Anteisoheneicosanoyl-2-margaroyl-sn-glycero-3-phosphate | HMDB | 1-Anteisoheneicosanoyl-2-margaroyl-sn-phosphatidic acid | HMDB | PA(38:0) | HMDB | Phosphatidic acid(a-21:0/17:0) | HMDB | Phosphatidic acid(38:0) | HMDB | Phosphatidate(A-21:0/17:0) | HMDB | Phosphatidate(38:0) | HMDB | [(2R)-2-(Heptadecanoyloxy)-3-[(18-methylicosanoyl)oxy]propoxy]phosphonate | HMDB | PA(a-21:0/17:0) | SMPDB |
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Chemical Formula | C41H81O8P |
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Average Molecular Weight | 733.065 |
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Monoisotopic Molecular Weight | 732.566906566 |
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IUPAC Name | [(2R)-2-(heptadecanoyloxy)-3-[(18-methylicosanoyl)oxy]propoxy]phosphonic acid |
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Traditional Name | (2R)-2-(heptadecanoyloxy)-3-[(18-methylicosanoyl)oxy]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)CCCCCCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C41H81O8P/c1-4-6-7-8-9-10-11-12-16-20-23-26-29-32-35-41(43)49-39(37-48-50(44,45)46)36-47-40(42)34-31-28-25-22-19-17-14-13-15-18-21-24-27-30-33-38(3)5-2/h38-39H,4-37H2,1-3H3,(H2,44,45,46)/t38?,39-/m1/s1 |
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InChI Key | XTWCSTGRVJCKSA-KLMICZSBSA-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-21:0/17:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C | 5083.8 | Semi standard non polar | 33892256 | PA(a-21:0/17:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C | 4438.7 | Standard non polar | 33892256 | PA(a-21:0/17:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C | 6034.9 | Standard polar | 33892256 | PA(a-21:0/17:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 5058.9 | Semi standard non polar | 33892256 | PA(a-21:0/17:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4461.0 | Standard non polar | 33892256 | PA(a-21:0/17:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 5312.0 | Standard polar | 33892256 | PA(a-21:0/17:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5326.6 | Semi standard non polar | 33892256 | PA(a-21:0/17:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4562.2 | Standard non polar | 33892256 | PA(a-21:0/17:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCC(C)CC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5990.5 | 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-21:0/17:0) 10V, Positive-QTOF | splash10-0r0r-2196702600-ad3dd488d74e266df4bf | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 20V, Positive-QTOF | splash10-0r01-3294202000-3dbd47f8e845339d8c13 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 40V, Positive-QTOF | splash10-05q9-2395002000-166d4bcd34dfe16e1601 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 10V, Negative-QTOF | splash10-004i-4039400300-8f4c362d35b9d3a62e37 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 20V, Negative-QTOF | splash10-004i-9014000000-9d64430a11b7a997a352 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 40V, Negative-QTOF | splash10-004i-9000000000-5835ebeb8cc8f4a8cc75 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 10V, Negative-QTOF | splash10-001i-0000000900-7697f25f15a1cbc32c41 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 20V, Negative-QTOF | splash10-07gi-0033900400-93e23effbe9aa79ae897 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 40V, Negative-QTOF | splash10-00or-1169600100-188813dbd71a7e144681 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 10V, Positive-QTOF | splash10-0159-0000000900-10746a3c22d7c4446b6b | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 20V, Positive-QTOF | splash10-001r-0000005900-84de080f8ec089046cdc | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 40V, Positive-QTOF | splash10-06ri-0000906200-8a9792570d329fd54b1c | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 10V, Positive-QTOF | splash10-0a4i-0000000900-e09378df2d3942cf355c | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 20V, Positive-QTOF | splash10-0a4i-0000009900-f5a47f8411b3a51c5d29 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-21:0/17:0) 40V, Positive-QTOF | splash10-0a70-0000922400-10d6cdf92237334d5cf6 | 2021-09-23 | Wishart Lab | View Spectrum |
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