| 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 13:35:30 UTC |
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| Update Date | 2022-03-07 02:51:01 UTC |
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| HMDB ID | HMDB0010673 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) |
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| Description | PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) 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(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)), in particular, consists of one chain of g-linolenic acid at the C-1 position and one chain of docosapentaenoic acid at the C-2 position. The g-linolenic acid moiety is derived from animal fats, while the docosapentaenoic acid moiety is derived from fish 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)CCCC\C=C/C\C=C/C\C=C/CCCCC)OC(=O)CCCCC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CC InChI=1S/C46H75O10P/c1-3-5-7-9-11-13-15-17-19-20-21-22-24-26-28-30-32-34-36-38-46(50)56-44(42-55-57(51,52)54-40-43(48)39-47)41-53-45(49)37-35-33-31-29-27-25-23-18-16-14-12-10-8-6-4-2/h5,7,11-14,17-19,21-23,26-29,43-44,47-48H,3-4,6,8-10,15-16,20,24-25,30-42H2,1-2H3,(H,51,52)/b7-5-,13-11-,14-12-,19-17-,22-21-,23-18-,28-26-,29-27-/t43-,44+/m0/s1 |
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| Synonyms | | Value | Source |
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| [(2S)-2,3-Dihydroxypropoxy][(2R)-2-[(7Z,10Z,13Z,16Z,19Z)-docosa-7,10,13,16,19-pentaenoyloxy]-3-[(6Z,9Z,12Z)-octadeca-6,9,12-trienoyloxy]propoxy]phosphinate | Generator | | PG(18:3/22:5) | Lipid Annotator, HMDB | | Phosphatidylglycerol(40:8) | Lipid Annotator, HMDB | | PG(40:8) | Lipid Annotator, HMDB | | GPG(18:3/22:5) | Lipid Annotator, HMDB | | GPG(40:8) | Lipid Annotator, HMDB | | 1-(6Z,9Z,12Z-octadecatrienoyl)-2-(7Z,10Z,13Z,16Z,19Z-docosapentaenoyl)-sn-glycero-3-phospho-(1'-glycerol) | Lipid Annotator, HMDB | | PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) | Lipid Annotator | | Phosphatidylglycerol(18:3/22:5) | Lipid Annotator, HMDB | | 1-(6Z,9Z,12Z-octadecatrienoyl)-2-(7Z,10Z,13Z,16Z,19Z-docosapentaenoyl)-sn-glycero-3-phosphoglycerol | Lipid Annotator, HMDB | | 1-g-linolenoyl-2-docosapentaenoyl-sn-glycero-3-phosphoglycerol | Lipid Annotator, HMDB | | 1-gamma-Linolenoyl-2-docosapentaenoyl-sn-glycero-3-phosphoglycerol | HMDB | | GPG(18:3N6/22:5N3) | HMDB | | GPG(18:3W6/22:5W3) | HMDB | | PG(18:3N6/22:5N3) | HMDB | | PG(18:3W6/22:5W3) | HMDB | | Phosphatidylglycerol(18:3n6/22:5n3) | HMDB | | Phosphatidylglycerol(18:3W6/22:5W3) | HMDB |
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| Chemical Formula | C46H75O10P |
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| Average Molecular Weight | 819.0555 |
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| Monoisotopic Molecular Weight | 818.509785132 |
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| IUPAC Name | [(2S)-2,3-dihydroxypropoxy][(2R)-2-[(7Z,10Z,13Z,16Z,19Z)-docosa-7,10,13,16,19-pentaenoyloxy]-3-[(6Z,9Z,12Z)-octadeca-6,9,12-trienoyloxy]propoxy]phosphinic acid |
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| Traditional Name | (2S)-2,3-dihydroxypropoxy(2R)-2-[(7Z,10Z,13Z,16Z,19Z)-docosa-7,10,13,16,19-pentaenoyloxy]-3-[(6Z,9Z,12Z)-octadeca-6,9,12-trienoyloxy]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)CCCC\C=C/C\C=C/C\C=C/CCCCC)OC(=O)CCCCC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CC |
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| InChI Identifier | InChI=1S/C46H75O10P/c1-3-5-7-9-11-13-15-17-19-20-21-22-24-26-28-30-32-34-36-38-46(50)56-44(42-55-57(51,52)54-40-43(48)39-47)41-53-45(49)37-35-33-31-29-27-25-23-18-16-14-12-10-8-6-4-2/h5,7,11-14,17-19,21-23,26-29,43-44,47-48H,3-4,6,8-10,15-16,20,24-25,30-42H2,1-2H3,(H,51,52)/b7-5-,13-11-,14-12-,19-17-,22-21-,23-18-,28-26-,29-27-/t43-,44+/m0/s1 |
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| InChI Key | LZKNNXNSADUVEW-CIPNFRRBSA-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 | 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 | 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. | 4.26 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 35.302 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.86 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 67.0 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5980.8 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 371.1 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 328.5 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 306.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1245.8 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 2016.0 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 | 1030.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 196.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3639.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1377.7 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 | 3079.2 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1430.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 805.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 281.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 698.3 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 | 12.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized| Metabolite | SMILES | Kovats RI Value | Column Type | Reference |
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| PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) | [H][C@](O)(CO)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCC\C=C/C\C=C/C\C=C/CCCCC)OC(=O)CCCCC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CC | 5882.8 | Standard polar | 33892256 | | PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) | [H][C@](O)(CO)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCC\C=C/C\C=C/C\C=C/CCCCC)OC(=O)CCCCC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CC | 4860.1 | Standard non polar | 33892256 | | PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) | [H][C@](O)(CO)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCC\C=C/C\C=C/C\C=C/CCCCC)OC(=O)CCCCC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CC | 5796.5 | Semi standard non polar | 33892256 |
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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(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-10-19 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-10-19 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-10-19 | 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(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) 10V, Positive-QTOF | splash10-0j4i-4186432190-0943851c75a6a0b4f95c | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) 20V, Positive-QTOF | splash10-0imi-5195222220-f03bcc9ddd59ad66263e | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) 40V, Positive-QTOF | splash10-0a4r-9087102200-86102e855f1fc2f3d9fb | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) 10V, Negative-QTOF | splash10-056r-1193110220-834cd52ee25b2ec0fc8f | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) 20V, Negative-QTOF | splash10-004i-5291100100-e6a716ea954e4da1f875 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) 40V, Negative-QTOF | splash10-004i-9011000000-712a4b3dc871b5569106 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) 10V, Negative-QTOF | splash10-014i-0000000090-0b4d0111725d5ac858ce | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) 20V, Negative-QTOF | splash10-00or-0199440090-b097ac47f5e87d33fb6c | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) 40V, Negative-QTOF | splash10-00or-0399440090-007259d0ef34f766a156 | 2021-09-24 | Wishart Lab | View Spectrum |
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