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 13:35:25 UTC |
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Update Date | 2022-03-07 02:51:01 UTC |
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HMDB ID | HMDB0010668 |
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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)/20:3(5Z,8Z,11Z)) |
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Description | PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) 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)/20:3(5Z,8Z,11Z)), in particular, consists of one chain of g-linolenic acid at the C-1 position and one chain of mead acid at the C-2 position. The g-linolenic acid moiety is derived from animal fats, while the mead acid moiety is derived from fish oils, liver and kidney. 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)CCC\C=C/C\C=C/C\C=C/CCCCCCCC InChI=1S/C44H75O10P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-44(48)54-42(40-53-55(49,50)52-38-41(46)37-45)39-51-43(47)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h12,14,17-19,21-22,24-25,27-28,30,41-42,45-46H,3-11,13,15-16,20,23,26,29,31-40H2,1-2H3,(H,49,50)/b14-12-,19-17-,21-18-,24-22-,27-25-,30-28-/t41-,42+/m0/s1 |
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Synonyms | Value | Source |
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1-(6Z,9Z,12Z-Octadecatrienoyl)-2-(5Z,8Z,11Z-eicosatrienoyl)-sn-glycero-3-phospho-(1'-glycerol) | HMDB | 1-g-Linolenoyl-2-meadoyl-sn-glycero-3-phosphoglycerol | HMDB | 1-gamma-Linolenoyl-2-meadoyl-sn-glycero-3-phosphoglycerol | HMDB | GPG(18:3/20:3) | HMDB | GPG(18:3N6/20:3N9) | HMDB | GPG(18:3W6/20:3W9) | HMDB | GPG(38:6) | HMDB | PG(18:3/20:3) | HMDB | PG(18:3N6/20:3N9) | HMDB | PG(18:3W6/20:3W9) | HMDB | PG(38:6) | HMDB | Phosphatidylglycerol(18:3/20:3) | HMDB | Phosphatidylglycerol(18:3n6/20:3n9) | HMDB | Phosphatidylglycerol(18:3W6/20:3W9) | HMDB | Phosphatidylglycerol(38:6) | HMDB | 1-(6Z,9Z,12Z-Octadecatrienoyl)-2-(5Z,8Z,11Z-eicosatrienoyl)-sn-glycero-3-phosphoglycerol | HMDB | PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) | Lipid Annotator |
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Chemical Formula | C44H75O10P |
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Average Molecular Weight | 795.0341 |
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Monoisotopic Molecular Weight | 794.509785132 |
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IUPAC Name | [(2S)-2,3-dihydroxypropoxy][(2R)-2-[(5Z,8Z,11Z)-icosa-5,8,11-trienoyloxy]-3-[(6Z,9Z,12Z)-octadeca-6,9,12-trienoyloxy]propoxy]phosphinic acid |
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Traditional Name | (2S)-2,3-dihydroxypropoxy(2R)-2-[(5Z,8Z,11Z)-icosa-5,8,11-trienoyloxy]-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)CCC\C=C/C\C=C/C\C=C/CCCCCCCC |
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InChI Identifier | InChI=1S/C44H75O10P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-34-36-44(48)54-42(40-53-55(49,50)52-38-41(46)37-45)39-51-43(47)35-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h12,14,17-19,21-22,24-25,27-28,30,41-42,45-46H,3-11,13,15-16,20,23,26,29,31-40H2,1-2H3,(H,49,50)/b14-12-,19-17-,21-18-,24-22-,27-25-,30-28-/t41-,42+/m0/s1 |
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InChI Key | BPWRRMJSZUWBTG-HPSNECGISA-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 | Naturally occurring processBiological processBiochemical pathwayMetabolic pathway- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)) (PathBank: SMP0086474)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z)) (PathBank: SMP0086475)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0086476)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0086477)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:3(5Z,8Z,11Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0086478)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z)/20:3(8Z,11Z,14Z)) (PathBank: SMP0086479)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z)/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0086480)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0086481)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:3(8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0086482)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:4(5Z,8Z,11Z,14Z)/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0086483)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:4(5Z,8Z,11Z,14Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0086484)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:4(5Z,8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0086485)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:4(8Z,11Z,14Z,17Z)/20:4(8Z,11Z,14Z,17Z)) (PathBank: SMP0086486)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:4(8Z,11Z,14Z,17Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0086487)
- Cardiolipin Biosynthesis CL(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)/20:5(5Z,8Z,11Z,14Z,17Z)/20:5(5Z,8Z,11Z,14Z,17Z)) (PathBank: SMP0086488)
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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 IndicesUnderivatizedMetabolite | SMILES | Kovats RI Value | Column Type | Reference |
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PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) | [H][C@](O)(CO)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCC\C=C/C\C=C/C\C=C/CCCCC)OC(=O)CCC\C=C/C\C=C/C\C=C/CCCCCCCC | 5459.3 | Standard polar | 33892256 | PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) | [H][C@](O)(CO)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCC\C=C/C\C=C/C\C=C/CCCCC)OC(=O)CCC\C=C/C\C=C/C\C=C/CCCCCCCC | 4694.8 | Standard non polar | 33892256 | PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) | [H][C@](O)(CO)COP(O)(=O)OC[C@@]([H])(COC(=O)CCCC\C=C/C\C=C/C\C=C/CCCCC)OC(=O)CCC\C=C/C\C=C/C\C=C/CCCCCCCC | 5600.0 | Semi standard non polar | 33892256 |
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| GC-MS SpectraSpectrum 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)/20:3(5Z,8Z,11Z)) 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)/20:3(5Z,8Z,11Z)) 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)/20:3(5Z,8Z,11Z)) GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-10-19 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum 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)/20:3(5Z,8Z,11Z)) 10V, Positive-QTOF | splash10-004r-3091321700-3b89c749e3f65704cfcd | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) 20V, Positive-QTOF | splash10-004r-4191211300-49f8923c560d4bcbd881 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) 40V, Positive-QTOF | splash10-0cg0-8094102200-5915da4594d454eacafa | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) 10V, Negative-QTOF | splash10-0a6r-0192110400-a269bbd26a7f99f081ff | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) 20V, Negative-QTOF | splash10-004i-5290100100-2152a2f580b818314463 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) 40V, Negative-QTOF | splash10-004i-9020000000-d992d6f85efb20bdc4e1 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) 10V, Negative-QTOF | splash10-0006-0000000900-56aeff663cc038761162 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) 20V, Negative-QTOF | splash10-0a6x-0199440900-d42e647d57d7bdfcda5d | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)) 40V, Negative-QTOF | splash10-0a6x-0399440900-586c34cbd2e92f2935f4 | 2021-09-24 | Wishart Lab | View Spectrum |
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