Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2008-09-25 13:35:03 UTC |
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Update Date | 2022-11-30 19:03:54 UTC |
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HMDB ID | HMDB0010646 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | PG(18:2(9Z,12Z)/16:1(9Z)) |
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Description | PG(18:2(9Z,12Z)/16:1(9Z)) 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(18:2(9Z,12Z)/16:1(9Z)), in particular, consists of one chain of linoleic acid at the C-1 position and one chain of palmitoleic acid at the C-2 position. The linoleic acid moiety is derived from seed oils, while the palmitoleic acid moiety is derived from animal fats and vegetable 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/CCCCC)OC(=O)CCCCCCC\C=C/CCCCCC InChI=1S/C40H73O10P/c1-3-5-7-9-11-13-15-17-18-20-21-23-25-27-29-31-39(43)47-35-38(36-49-51(45,46)48-34-37(42)33-41)50-40(44)32-30-28-26-24-22-19-16-14-12-10-8-6-4-2/h11,13-14,16-18,37-38,41-42H,3-10,12,15,19-36H2,1-2H3,(H,45,46)/b13-11-,16-14-,18-17-/t37-,38+/m0/s1 |
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Synonyms | Value | Source |
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1-(9Z,12Z-Octadecadienoyl)-2-(9Z-hexadecenoyl)-sn-glycero-3-phospho-(1'-glycerol) | HMDB | 1-Linoleoyl-2-palmitoleoyl-sn-glycero-3-phosphoglycerol | HMDB | GPG(18:2/16:1) | HMDB | GPG(18:2N6/16:1N7) | HMDB | GPG(18:2W6/16:1W7) | HMDB | GPG(34:3) | HMDB | PG(18:2/16:1) | HMDB | PG(18:2N6/16:1N7) | HMDB | PG(18:2W6/16:1W7) | HMDB | PG(34:3) | HMDB | Phosphatidylglycerol(18:2/16:1) | HMDB | Phosphatidylglycerol(18:2n6/16:1n7) | HMDB | Phosphatidylglycerol(18:2W6/16:1W7) | HMDB | Phosphatidylglycerol(34:3) | HMDB | 1-(9Z,12Z-Octadecadienoyl)-2-(9Z-hexadecenoyl)-sn-glycero-3-phosphoglycerol | HMDB | PG(18:2(9Z,12Z)/16:1(9Z)) | Lipid Annotator |
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Chemical Formula | C40H73O10P |
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Average Molecular Weight | 744.9754 |
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Monoisotopic Molecular Weight | 744.494135068 |
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IUPAC Name | [(2S)-2,3-dihydroxypropoxy][(2R)-2-[(9Z)-hexadec-9-enoyloxy]-3-[(9Z,12Z)-octadeca-9,12-dienoyloxy]propoxy]phosphinic acid |
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Traditional Name | (2S)-2,3-dihydroxypropoxy(2R)-2-[(9Z)-hexadec-9-enoyloxy]-3-[(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/CCCCC)OC(=O)CCCCCCC\C=C/CCCCCC |
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InChI Identifier | InChI=1S/C40H73O10P/c1-3-5-7-9-11-13-15-17-18-20-21-23-25-27-29-31-39(43)47-35-38(36-49-51(45,46)48-34-37(42)33-41)50-40(44)32-30-28-26-24-22-19-16-14-12-10-8-6-4-2/h11,13-14,16-18,37-38,41-42H,3-10,12,15,19-36H2,1-2H3,(H,45,46)/b13-11-,16-14-,18-17-/t37-,38+/m0/s1 |
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InChI Key | SZOXZKIJYLNJHR-IEVJMAIKSA-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 | Naturally occurring processBiological processBiochemical pathwayMetabolic pathway- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/18:2(9Z,12Z)/16:1(9Z)) (PathBank: SMP0029290)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/18:2(9Z,12Z)/18:1(11Z)) (PathBank: SMP0029291)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/18:2(9Z,12Z)/18:1(9Z)) (PathBank: SMP0029292)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/18:2(9Z,12Z)/18:2(9Z,12Z)) (PathBank: SMP0029293)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/18:2(9Z,12Z)/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0029294)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/18:2(9Z,12Z)/22:5(4Z,7Z,10Z,13Z,16Z)) (PathBank: SMP0029295)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/18:2(9Z,12Z)/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0029296)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/18:2(9Z,12Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0029297)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/20:4(5Z,8Z,11Z,14Z)/16:1(9Z)) (PathBank: SMP0029298)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/20:4(5Z,8Z,11Z,14Z)/18:2(9Z,12Z)) (PathBank: SMP0029299)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/20:4(5Z,8Z,11Z,14Z)/20:4(5Z,8Z,11Z,14Z)) (PathBank: SMP0029300)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/22:5(4Z,7Z,10Z,13Z,16Z)/16:1(9Z)) (PathBank: SMP0029301)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/22:5(4Z,7Z,10Z,13Z,16Z)/18:2(9Z,12Z)) (PathBank: SMP0029302)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/22:5(4Z,7Z,10Z,13Z,16Z)/22:5(4Z,7Z,10Z,13Z,16Z)) (PathBank: SMP0029303)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/22:5(4Z,7Z,10Z,13Z,16Z)/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0029304)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/22:5(7Z,10Z,13Z,16Z,19Z)/16:1(9Z)) (PathBank: SMP0029305)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/22:5(7Z,10Z,13Z,16Z,19Z)/18:2(9Z,12Z)) (PathBank: SMP0029306)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/22:5(7Z,10Z,13Z,16Z,19Z)/22:5(4Z,7Z,10Z,13Z,16Z)) (PathBank: SMP0029307)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/22:5(7Z,10Z,13Z,16Z,19Z)/22:5(7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0029308)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)/16:1(9Z)) (PathBank: SMP0029309)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)/18:2(9Z,12Z)) (PathBank: SMP0029310)
- Cardiolipin Biosynthesis CL(18:2(9Z,12Z)/16:1(9Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (PathBank: SMP0029311)
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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 IndicesUnderivatized |
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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(18:2(9Z,12Z)/16:1(9Z)) GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) GC-MS (TMS_2_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) GC-MS (TMS_2_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) GC-MS (TMS_2_3) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-10-18 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) GC-MS (TBDMS_1_3) - 70eV, Positive | Not Available | 2021-10-18 | 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(18:2(9Z,12Z)/16:1(9Z)) 10V, Positive-QTOF | splash10-004r-3090521500-5152d5f5e3376b789138 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) 20V, Positive-QTOF | splash10-004r-4191311100-f021fa9e7aa640f96e6f | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) 40V, Positive-QTOF | splash10-0abi-8194222000-1424afcd5004071d6b74 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) 10V, Negative-QTOF | splash10-0h00-0190100200-e067d73589472e93fc6c | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) 20V, Negative-QTOF | splash10-004i-5290100000-b835f6e78107bd509699 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) 40V, Negative-QTOF | splash10-004i-9020000000-606edaf6bd949fc77e67 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) 10V, Negative-QTOF | splash10-0006-0000000900-630159f35098b390880d | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) 20V, Negative-QTOF | splash10-0ufu-0090300400-02338e26bb4c3dad94b5 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PG(18:2(9Z,12Z)/16:1(9Z)) 40V, Negative-QTOF | splash10-0ufu-0190300400-27a149b3480de873805e | 2021-09-25 | Wishart Lab | View Spectrum |
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