| 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 05:35:06 UTC |
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| Update Date | 2022-11-30 19:26:19 UTC |
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| HMDB ID | HMDB0115710 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(a-13:0/i-19:0) |
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| Description | PA(a-13:0/i-19:0) 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-13:0/i-19:0), in particular, consists of one chain of anteisotridecanoic acid at the C-1 position and one chain of isononadecanoic 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)CCCCCCCCC(C)CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCC(C)C InChI=1S/C35H69O8P/c1-5-32(4)26-22-18-15-16-19-23-27-34(36)41-29-33(30-42-44(38,39)40)43-35(37)28-24-20-14-12-10-8-6-7-9-11-13-17-21-25-31(2)3/h31-33H,5-30H2,1-4H3,(H2,38,39,40)/t32?,33-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Anteisotridecanoyl-2-isononadecanoyl-sn-glycero-3-phosphate | HMDB | | 1-Anteisotridecanoyl-2-isononadecanoyl-sn-phosphatidic acid | HMDB | | PA(32:0) | HMDB | | Phosphatidic acid(a-13:0/i-19:0) | HMDB | | Phosphatidic acid(32:0) | HMDB | | Phosphatidate(A-13:0/I-19:0) | HMDB | | Phosphatidate(32:0) | HMDB | | [(2R)-3-[(10-Methyldodecanoyl)oxy]-2-[(17-methyloctadecanoyl)oxy]propoxy]phosphonate | HMDB | | PA(a-13:0/i-19:0) | SMPDB |
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| Chemical Formula | C35H69O8P |
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| Average Molecular Weight | 648.903 |
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| Monoisotopic Molecular Weight | 648.47300618 |
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| IUPAC Name | [(2R)-3-[(10-methyldodecanoyl)oxy]-2-[(17-methyloctadecanoyl)oxy]propoxy]phosphonic acid |
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| Traditional Name | (2R)-3-[(10-methyldodecanoyl)oxy]-2-[(17-methyloctadecanoyl)oxy]propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCCCCCCC(C)CC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCC(C)C |
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| InChI Identifier | InChI=1S/C35H69O8P/c1-5-32(4)26-22-18-15-16-19-23-27-34(36)41-29-33(30-42-44(38,39)40)43-35(37)28-24-20-14-12-10-8-6-7-9-11-13-17-21-25-31(2)3/h31-33H,5-30H2,1-4H3,(H2,38,39,40)/t32?,33-/m1/s1 |
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| InChI Key | YONOJLGVNHMSOU-ZHZZGXISSA-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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| Not Available | 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 Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 10.79 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 30.6073 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.21 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 4536.6 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 544.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 336.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 212.3 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 895.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1605.8 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 1430.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 133.2 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2953.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1014.2 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 2636.8 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1117.4 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 665.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 555.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 684.1 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 9.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(a-13:0/i-19:0),1TMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 4444.5 | Semi standard non polar | 33892256 | | PA(a-13:0/i-19:0),1TMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 3874.5 | Standard non polar | 33892256 | | PA(a-13:0/i-19:0),1TMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 5340.8 | Standard polar | 33892256 | | PA(a-13:0/i-19:0),2TMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 4444.3 | Semi standard non polar | 33892256 | | PA(a-13:0/i-19:0),2TMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 3886.7 | Standard non polar | 33892256 | | PA(a-13:0/i-19:0),2TMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 4670.4 | Standard polar | 33892256 | | PA(a-13:0/i-19:0),1TBDMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 4660.3 | Semi standard non polar | 33892256 | | PA(a-13:0/i-19:0),1TBDMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 4009.5 | Standard non polar | 33892256 | | PA(a-13:0/i-19:0),1TBDMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 5324.8 | Standard polar | 33892256 | | PA(a-13:0/i-19:0),2TBDMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 4886.5 | Semi standard non polar | 33892256 | | PA(a-13:0/i-19:0),2TBDMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 4112.3 | Standard non polar | 33892256 | | PA(a-13:0/i-19:0),2TBDMS,isomer #1 | CCC(C)CCCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCCCC(C)C | 4763.2 | Standard polar | 33892256 |
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| MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 10V, Positive-QTOF | splash10-000t-2695226000-681f03e22a2f0516c593 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 20V, Positive-QTOF | splash10-0f7k-6893120000-282740e8b0819aa8ed3a | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 40V, Positive-QTOF | splash10-0ab9-5791050000-2028b5ae139c20710b47 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 10V, Negative-QTOF | splash10-0002-5493103000-a681d4ab00cb5132738d | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 20V, Negative-QTOF | splash10-004j-9230000000-3f2f366f905dc16db9eb | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 40V, Negative-QTOF | splash10-004i-9000000000-c0ff1c4d942a12a66a07 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 10V, Positive-QTOF | splash10-00di-0000009000-8e723670c2d6da7d1500 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 20V, Positive-QTOF | splash10-00di-0000099000-cef7e1d91751b702106e | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 40V, Positive-QTOF | splash10-00di-0009946000-a3bb0bd435c2c08e1bea | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 10V, Positive-QTOF | splash10-001j-0000009000-6c5d51790d44b8f28697 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 20V, Positive-QTOF | splash10-0f6t-0000059000-f0c15a320524af660ac4 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 40V, Positive-QTOF | splash10-0udi-0006693000-2bcabe80c4fef2234fef | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 10V, Negative-QTOF | splash10-0002-0000009000-5d6932d42201ac99e40a | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 20V, Negative-QTOF | splash10-0002-1197506000-95aeeefcb444e3a94402 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(a-13:0/i-19:0) 40V, Negative-QTOF | splash10-01ot-0091100000-905b5850aaa5c44244e0 | 2021-09-24 | Wishart Lab | View Spectrum |
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