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 06:20:01 UTC |
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Update Date | 2022-11-30 19:26:23 UTC |
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HMDB ID | HMDB0115882 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(i-21:0/i-16:0) |
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Description | PA(i-21:0/i-16:0) 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(i-21:0/i-16:0), in particular, consists of one chain of isoheneicosanoic acid at the C-1 position and one chain of isohexadecanoic 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)CCCCCCCCCCCCCCCCCC(C)C)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCC(C)C InChI=1S/C40H79O8P/c1-36(2)30-26-22-18-14-10-8-6-5-7-9-11-16-20-24-28-32-39(41)46-34-38(35-47-49(43,44)45)48-40(42)33-29-25-21-17-13-12-15-19-23-27-31-37(3)4/h36-38H,5-35H2,1-4H3,(H2,43,44,45)/t38-/m1/s1 |
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Synonyms | Value | Source |
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1-Isoheneicosanoyl-2-isohexadecanoyl-sn-glycero-3-phosphate | HMDB | 1-Isoheneicosanoyl-2-isohexadecanoyl-sn-phosphatidic acid | HMDB | PA(37:0) | HMDB | Phosphatidic acid(i-21:0/i-16:0) | HMDB | Phosphatidic acid(37:0) | HMDB | Phosphatidate(I-21:0/I-16:0) | HMDB | Phosphatidate(37:0) | HMDB | [(2R)-3-[(19-Methylicosanoyl)oxy]-2-[(14-methylpentadecanoyl)oxy]propoxy]phosphonate | HMDB | PA(i-21:0/i-16:0) | SMPDB |
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Chemical Formula | C40H79O8P |
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Average Molecular Weight | 719.038 |
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Monoisotopic Molecular Weight | 718.551256502 |
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IUPAC Name | [(2R)-3-[(19-methylicosanoyl)oxy]-2-[(14-methylpentadecanoyl)oxy]propoxy]phosphonic acid |
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Traditional Name | (2R)-3-[(19-methylicosanoyl)oxy]-2-[(14-methylpentadecanoyl)oxy]propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCCC(C)C)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCC(C)C |
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InChI Identifier | InChI=1S/C40H79O8P/c1-36(2)30-26-22-18-14-10-8-6-5-7-9-11-16-20-24-28-32-39(41)46-34-38(35-47-49(43,44)45)48-40(42)33-29-25-21-17-13-12-15-19-23-27-31-37(3)4/h36-38H,5-35H2,1-4H3,(H2,43,44,45)/t38-/m1/s1 |
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InChI Key | CMNCINXKZSRMBY-KXQOOQHDSA-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(i-21:0/i-16:0),1TMS,isomer #1 | CC(C)CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC(C)C | 4936.0 | Semi standard non polar | 33892256 | PA(i-21:0/i-16:0),1TMS,isomer #1 | CC(C)CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC(C)C | 4301.2 | Standard non polar | 33892256 | PA(i-21:0/i-16:0),1TMS,isomer #1 | CC(C)CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC(C)C | 5809.0 | Standard polar | 33892256 | PA(i-21:0/i-16:0),2TMS,isomer #1 | CC(C)CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC(C)C | 4922.2 | Semi standard non polar | 33892256 | PA(i-21:0/i-16:0),2TMS,isomer #1 | CC(C)CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC(C)C | 4328.6 | Standard non polar | 33892256 | PA(i-21:0/i-16:0),2TMS,isomer #1 | CC(C)CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCC(C)C | 5119.2 | Standard polar | 33892256 | PA(i-21:0/i-16:0),1TBDMS,isomer #1 | CC(C)CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCC(C)C | 5156.7 | Semi standard non polar | 33892256 | PA(i-21:0/i-16:0),1TBDMS,isomer #1 | CC(C)CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCC(C)C | 4425.2 | Standard non polar | 33892256 | PA(i-21:0/i-16:0),1TBDMS,isomer #1 | CC(C)CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCC(C)C | 5774.4 | 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(i-21:0/i-16:0) 10V, Positive-QTOF | splash10-0cdr-1189505600-aba373d48d9afc396e80 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 20V, Positive-QTOF | splash10-07bk-4296213100-b02d28120b17370e634c | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 40V, Positive-QTOF | splash10-07cr-3289046000-291ee09afa7fd3198010 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 10V, Negative-QTOF | splash10-056r-4039300300-1d599428f9de52c03c0f | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 20V, Negative-QTOF | splash10-004i-9014000000-cb900dcd9a2943c8afcd | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 40V, Negative-QTOF | splash10-004i-9000000000-bc38cfb95ca4d658fcc9 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 10V, Negative-QTOF | splash10-014i-0000000900-9f31223c8463ad3497a2 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 20V, Negative-QTOF | splash10-07fu-1149900600-a4e5240e8f48942042e3 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 40V, Negative-QTOF | splash10-056r-1159300100-c616b76f5496d23a2fd6 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 10V, Positive-QTOF | splash10-0006-0000000900-1d63072fca90e22ecc74 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 20V, Positive-QTOF | splash10-0006-0000009900-5e8042c746f2460b251a | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 40V, Positive-QTOF | splash10-00ko-0000922400-0d87d203b6f123cde93b | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 10V, Positive-QTOF | splash10-0uxr-0000000900-ad15be9ac5212f7f3e43 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 20V, Positive-QTOF | splash10-01b9-0000005900-adc31a7b39677df8d104 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-21:0/i-16:0) 40V, Positive-QTOF | splash10-022c-0006609300-4de2b25c3cd2fd599fd7 | 2021-09-25 | Wishart Lab | View Spectrum |
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