| 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 03:25:01 UTC |
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| Update Date | 2022-11-30 19:26:01 UTC |
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| HMDB ID | HMDB0115036 |
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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)/18:3(6Z,9Z,12Z)) |
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| Description | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 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)/18:3(6Z,9Z,12Z)), in particular, consists of one chain of stearidonic acid at the C-1 position and one chain of gamma-linolenic 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)CCCC\C=C/C\C=C/C\C=C/CCCCC InChI=1S/C39H63O8P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-38(40)45-35-37(36-46-48(42,43)44)47-39(41)34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h5,7,11-14,17-20,23-26,37H,3-4,6,8-10,15-16,21-22,27-36H2,1-2H3,(H2,42,43,44)/b7-5-,13-11-,14-12-,19-17-,20-18-,25-23-,26-24-/t37-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Stearidonoyl-2-gamma-linolenoyl-sn-glycero-3-phosphate | HMDB | | 1-Stearidonoyl-2-gamma-linolenoyl-sn-phosphatidic acid | HMDB | | PA(18:4/18:3) | HMDB | | PA(18:4N3/18:3N6) | HMDB | | PA(18:4W3/18:3W6) | HMDB | | PA(36:7) | HMDB | | Phosphatidic acid(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) | HMDB | | Phosphatidic acid(18:4/18:3) | HMDB | | Phosphatidic acid(18:4n3/18:3n6) | HMDB | | Phosphatidic acid(18:4W3/18:3W6) | HMDB | | Phosphatidic acid(36:7) | HMDB | | Phosphatidate(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) | HMDB | | Phosphatidate(18:4/18:3) | HMDB | | Phosphatidate(18:4N3/18:3N6) | HMDB | | Phosphatidate(18:4W3/18:3W6) | HMDB | | Phosphatidate(36:7) | HMDB | | 1-stearidonoyl-2-gamma-linolenoyl-sn-glycero-3-phosphate | SMPDB, HMDB | | 1-stearidonoyl-2-gamma-linolenoyl-sn-phosphatidic acid | SMPDB, HMDB | | PA(18:4/18:3) | SMPDB, HMDB | | PA(18:4n3/18:3n6) | SMPDB, HMDB | | PA(18:4w3/18:3w6) | SMPDB, HMDB | | PA(36:7) | SMPDB, HMDB | | Phosphatidic acid(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) | SMPDB, HMDB | | Phosphatidic acid(18:4/18:3) | SMPDB, HMDB | | Phosphatidic acid(18:4n3/18:3n6) | SMPDB, HMDB | | Phosphatidic acid(18:4w3/18:3w6) | SMPDB, HMDB | | Phosphatidic acid(36:7) | SMPDB, HMDB | | Phosphatidate(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) | SMPDB, HMDB | | Phosphatidate(18:4/18:3) | SMPDB, HMDB | | Phosphatidate(18:4n3/18:3n6) | SMPDB, HMDB | | Phosphatidate(18:4w3/18:3w6) | SMPDB, HMDB | | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) | SMPDB |
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| Chemical Formula | C39H63O8P |
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| Average Molecular Weight | 690.899 |
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| Monoisotopic Molecular Weight | 690.426055987 |
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| IUPAC Name | [(2R)-3-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyloxy]-2-[(6Z,9Z,12Z)-octadeca-6,9,12-trienoyloxy]propoxy]phosphonic acid |
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| Traditional Name | (2R)-3-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyloxy]-2-[(6Z,9Z,12Z)-octadeca-6,9,12-trienoyloxy]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)CCCC\C=C/C\C=C/C\C=C/CCCCC |
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| InChI Identifier | InChI=1S/C39H63O8P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-38(40)45-35-37(36-46-48(42,43)44)47-39(41)34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h5,7,11-14,17-20,23-26,37H,3-4,6,8-10,15-16,21-22,27-36H2,1-2H3,(H2,42,43,44)/b7-5-,13-11-,14-12-,19-17-,20-18-,25-23-,26-24-/t37-/m1/s1 |
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| InChI Key | ALOGJFKHMXDEGC-LNKMRZDISA-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 | |
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| Process | Naturally occurring processBiological processBiochemical pathwayMetabolic pathway- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)/18:4(6Z,9Z,12Z,15Z)) (PathBank: SMP0025848)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0025849)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0025850)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0025851)
- De Novo Triacylglycerol Biosynthesis TG(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0025852)
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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 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. | 5.07 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 33.1974 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.9 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 4984.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 418.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 304.6 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 314.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1143.1 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1851.1 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 | 956.9 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 200.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3409.0 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1235.2 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 | 2676.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1283.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 718.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 322.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 781.1 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 | 11.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized| Metabolite | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) | [H][C@@](COC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCC\C=C/C\C=C/C\C=C/CCCCC | 5366.7 | Standard polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) | [H][C@@](COC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCC\C=C/C\C=C/C\C=C/CCCCC | 4234.7 | Standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) | [H][C@@](COC(=O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC)(COP(O)(O)=O)OC(=O)CCCC\C=C/C\C=C/C\C=C/CCCCC | 4935.3 | Semi standard non polar | 33892256 |
Derivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)),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)CCCC/C=C\C/C=C\C/C=C\CCCCC | 4954.2 | Semi standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)),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)CCCC/C=C\C/C=C\C/C=C\CCCCC | 4383.8 | Standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)),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)CCCC/C=C\C/C=C\C/C=C\CCCCC | 5010.2 | Standard polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)),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)CCCC/C=C\C/C=C\C/C=C\CCCCC | 4918.9 | Semi standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)),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)CCCC/C=C\C/C=C\C/C=C\CCCCC | 4353.7 | Standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)),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)CCCC/C=C\C/C=C\C/C=C\CCCCC | 4378.2 | Standard polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)),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)CCCC/C=C\C/C=C\C/C=C\CCCCC | 5168.4 | Semi standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)),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)CCCC/C=C\C/C=C\C/C=C\CCCCC | 4510.1 | Standard non polar | 33892256 | | PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)),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)CCCC/C=C\C/C=C\C/C=C\CCCCC | 5032.3 | 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(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 10V, Positive-QTOF | splash10-07bf-1192837000-d1263b782763754322e5 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 20V, Positive-QTOF | splash10-07vj-3294443000-f38635722f72e2ba5a42 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 40V, Positive-QTOF | splash10-0159-1198231000-67e00512315246e2c3a8 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 10V, Negative-QTOF | splash10-004i-4090403000-3c4a9dd0172c8bdf07ae | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 20V, Negative-QTOF | splash10-004i-9050000000-6a2fecc17d8e92ec6053 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 40V, Negative-QTOF | splash10-004i-9000000000-6426982aab4685ef9839 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 10V, Positive-QTOF | splash10-03di-0000000900-044b863849007de6fd7e | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 20V, Positive-QTOF | splash10-04i0-0000009900-40cf7fcefa03f7a0753a | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 40V, Positive-QTOF | splash10-01p9-0000902300-adbf9892ec3bfa488fa9 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 10V, Positive-QTOF | splash10-00dl-0000009000-ba0a6dd8139f9111a01e | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 20V, Positive-QTOF | splash10-0006-0000059000-e6605330a91400af509a | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 40V, Positive-QTOF | splash10-0296-0000962000-702a7f2949f74d9dc43a | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 10V, Negative-QTOF | splash10-000i-0000009000-f927225ec12092e52fac | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 20V, Negative-QTOF | splash10-01ti-0060904000-f892d562a1227aefd950 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:4(6Z,9Z,12Z,15Z)/18:3(6Z,9Z,12Z)) 40V, Negative-QTOF | splash10-004i-0090300000-6e4db6887c7e12e79486 | 2021-09-24 | Wishart Lab | View Spectrum |
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| Pathways | |
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