| Record Information |
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| Version | 5.0 |
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| Status | Detected and Quantified |
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| Creation Date | 2008-09-25 13:35:37 UTC |
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| Update Date | 2022-03-07 02:51:01 UTC |
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| HMDB ID | HMDB0010680 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) |
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| Description | PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) is a phosphatidylglycerol or glycerophospholipid (PG or GP). It is a glycerophospholipid in which a phosphoglycerol moiety occupies a glycerol substitution site. As is the case with diacylglycerols, phosphatidylglycerols 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. PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)), in particular, consists of one chain of a-linolenic acid at the C-1 position and one chain of linoleic acid at the C-2 position. The a-linolenic acid moiety is derived from seed oils, especially canola and soybean oil, while the linoleic acid moiety is derived from seed oils. Phosphatidylglycerol is present at a level of 1-2% in most animal tissues, but it can be the second most abundant phospholipid in lung surfactant at up to 11% of the total. It is well established that the concentration of phosphatidylglycerol increases during fetal development. Phosphatidylglycerol may be present in animal tissues merely as a precursor for diphosphatidylglycerol (cardiolipin). Phosphatidylglycerol is formed from phosphatidic acid by a sequence of enzymatic reactions that proceeds via the intermediate, cytidine diphosphate diacylglycerol (CDP-diacylglycerol). Bioynthesis proceeds by condensation of phosphatidic acid and cytidine triphosphate with elimination of pyrophosphate via the action of phosphatidate cytidyltransferase (or CDP-synthase). CDP-diacylglycerol then reacts with glycerol-3-phosphate via phosphatidylglycerophosphate synthase to form 3-sn-phosphatidyl-1'-sn-glycerol 3'-phosphoric acid, with the release of cytidine monophosphate (CMP). Finally, phosphatidylglycerol is formed by the action of specific phosphatases. While most phospholipids have a saturated fatty acid on C-1 and an unsaturated fatty acid on C-2 of the glycerol backbone, the fatty acid distribution at the C-1 and C-2 positions of glycerol within phospholipids is continually in flux, owing to phospholipid degradation and the continuous phospholipid remodeling that occurs while these molecules are in membranes. PGs have a net charge of -1 at physiological pH and are found in high concentration in mitochondrial membranes and as components of pulmonary surfactant. PG also serves as a precursor for the synthesis of cardiolipin. PG is synthesized from CDP-diacylglycerol and glycerol-3-phosphate. |
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| Structure | [H][C@](O)(CO)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCCCCC\C=C/C\C=C/C\C=C/CC)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC InChI=1S/C42H73O10P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-41(45)49-37-40(38-51-53(47,48)50-36-39(44)35-43)52-42(46)34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h5,7,11-14,17-20,39-40,43-44H,3-4,6,8-10,15-16,21-38H2,1-2H3,(H,47,48)/b7-5-,13-11-,14-12-,19-17-,20-18-/t39-,40+/m0/s1 |
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| Synonyms | | Value | Source |
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| 1-(9Z,12Z,15Z-Octadeatrienoyl)-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho-(1'-glycerol) | HMDB | | 1-a-Linolenoyl-2-linoleoyl-sn-glycero-3-phosphoglycerol | HMDB | | 1-alpha-Linolenoyl-2-linoleoyl-sn-glycero-3-phosphoglycerol | HMDB | | GPG(18:3/18:2) | HMDB | | GPG(18:3N3/18:2N6) | HMDB | | GPG(18:3W3/18:2W6) | HMDB | | GPG(36:5) | HMDB | | PG(18:3/18:2) | HMDB | | PG(18:3N3/18:2N6) | HMDB | | PG(18:3W3/18:2W6) | HMDB | | PG(36:5) | HMDB | | Phosphatidylglycerol(18:3/18:2) | HMDB | | Phosphatidylglycerol(18:3n3/18:2n6) | HMDB | | Phosphatidylglycerol(18:3W3/18:2W6) | HMDB | | Phosphatidylglycerol(36:5) | HMDB | | 1-(9Z,12Z,15Z-Octadeatrienoyl)-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphoglycerol | HMDB | | PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) | Lipid Annotator |
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| Chemical Formula | C42H73O10P |
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| Average Molecular Weight | 768.9968 |
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| Monoisotopic Molecular Weight | 768.494135068 |
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| IUPAC Name | [(2S)-2,3-dihydroxypropoxy][(2R)-3-[(9Z,12Z,15Z)-octadeca-9,12,15-trienoyloxy]-2-[(9Z,12Z)-octadeca-9,12-dienoyloxy]propoxy]phosphinic acid |
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| Traditional Name | (2S)-2,3-dihydroxypropoxy(2R)-3-[(9Z,12Z,15Z)-octadeca-9,12,15-trienoyloxy]-2-[(9Z,12Z)-octadeca-9,12-dienoyloxy]propoxyphosphinic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@](O)(CO)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCCCCC\C=C/C\C=C/C\C=C/CC)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC |
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| InChI Identifier | InChI=1S/C42H73O10P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-41(45)49-37-40(38-51-53(47,48)50-36-39(44)35-43)52-42(46)34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h5,7,11-14,17-20,39-40,43-44H,3-4,6,8-10,15-16,21-38H2,1-2H3,(H,47,48)/b7-5-,13-11-,14-12-,19-17-,20-18-/t39-,40+/m0/s1 |
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| InChI Key | XAUQEXCGLQPOMJ-MLMWWJLQSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as phosphatidylglycerols. These are glycerophosphoglycerols in which two fatty acids are bonded to the 1-glycerol moiety through ester linkages. As is the case with diacylglycerols, phosphatidylglycerols can have many different combinations of fatty acids of varying lengths and saturation attached to the C-1 and C-2 positions. |
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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 | Glycerophosphoglycerols |
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| Direct Parent | Phosphatidylglycerols |
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| Alternative Parents | |
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| Substituents | - 1,2-diacylglycerophosphoglycerol
- Fatty acid ester
- Dialkyl phosphate
- Dicarboxylic acid or derivatives
- Organic phosphoric acid derivative
- Phosphoric acid ester
- Alkyl phosphate
- Fatty acyl
- 1,2-diol
- Carboxylic acid ester
- Secondary alcohol
- Carboxylic acid derivative
- Organic oxide
- Organooxygen compound
- Alcohol
- Organic oxygen compound
- Primary alcohol
- Carbonyl group
- Hydrocarbon derivative
- 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 | Not Available |
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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. | 6.88 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 30.7109 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.91 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 73.0 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5499.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 288.5 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 314.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 230.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1131.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1750.1 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 | 1046.0 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 216.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3204.4 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1187.2 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 | 2804.1 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1257.1 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 724.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 254.6 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 587.3 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 | 10.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) GC-MS (TBDMS_1_3) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum |
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 - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) 10V, Positive-QTOF | splash10-0i2i-4091831800-3c15fa9dde6fd4133746 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) 20V, Positive-QTOF | splash10-0m29-7193523300-052a3ce5612eeb03f6a3 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) 40V, Positive-QTOF | splash10-0cfr-9065420000-49a1992950c80b4b6fbd | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) 10V, Negative-QTOF | splash10-05r0-1190210300-535c4d6f23047ce4f503 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) 20V, Negative-QTOF | splash10-004i-5290201000-c7b14b19f172721d93d9 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) 40V, Negative-QTOF | splash10-004i-9020000000-11d3a0d09a271d12e948 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) 10V, Negative-QTOF | splash10-014i-0000000900-a16bddd1ea26a9b0be0e | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) 20V, Negative-QTOF | splash10-00or-0090310400-9b076479013b21224a15 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(9Z,12Z,15Z)/18:2(9Z,12Z)) 40V, Negative-QTOF | splash10-00or-0190310400-f61703d109718e8bd12d | 2021-09-25 | Wishart Lab | View Spectrum |
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