Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2007-05-22 16:35:51 UTC |
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Update Date | 2022-03-07 02:49:30 UTC |
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HMDB ID | HMDB0006202 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 4,8 Dimethylnonanoyl carnitine |
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Description | 4,8 dimethylnonanoyl carnitine is an intermediate in phytanic and pristanic acid metabolism. Both phytanic acid and pristanic acid are initially oxidized in peroxisomes to 4,8-dimethylnonanoyl-CoA, which is then converted to to 4,8-dimethylnonanoyl carnitine (presumably by peroxisomal carnitine octanoyltransferase), and exported to the mitochondrion. After transport across the mitochondrial membrane and transfer of the acylgroup to coenzyme A, further oxidation to 2,6-dimethylheptanoyl-CoA occurs (PMID: 9469587 ). 4,8 dimethylnonanoyl carnitine is not a substrate for carnitine acetyltransferase, another acyltransferase localized in peroxisomes, which catalyzes the formation of carnitine esters of the other products of pristanic acid beta-oxidation, namely acetyl-CoA and propionyl-CoA. (PMID: 10486279 ). Earlier studies have shown that pristanic acid undergoes three cycles of beta-oxidation in peroxisomes to produce 4,8-dimethylnonanoyl-CoA (DMN-CoA) which is then transported to the mitochondria for full oxidation to CO(2) and H(2)O. In principle, this can be done via two different mechanisms in which DMN-CoA is either converted into the corresponding carnitine ester or hydrolyzed to 4,8-dimethylnonanoic acid plus CoASH.(PMID: 11785945 ). Phytanic acid (3,7,11,15-tetramethylhexadecanoic acid) and pristanic acid (2,6,10,14-tetramethylpentadecanoic acid) are branched-chain fatty acids that are constituents of the human diet. As phytanic acid possesses a beta-methyl group, it cannot be degraded by beta-oxidation. Instead, phytanic acid is first degraded by alpha-oxidation, yielding pristanic acid, which is subsequently degraded by beta-oxidation. Phytanic acid alpha-oxidation is thought to occur partly, and pristanic acid beta-oxidation exclusively, in peroxisomes. Accumulation of phytanic acid and pristanic acid is found in blood and tissues of patients affected with generalized peroxisomal disorders. |
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Structure | CC(C)CCCC(C)CCC(=O)OC(CC([O-])=O)C[N+](C)(C)C InChI=1S/C18H35NO4/c1-14(2)8-7-9-15(3)10-11-18(22)23-16(12-17(20)21)13-19(4,5)6/h14-16H,7-13H2,1-6H3 |
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Synonyms | Value | Source |
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4,8-Dimethylnonanoylcarnitine | ChEBI |
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Chemical Formula | C18H35NO4 |
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Average Molecular Weight | 329.4748 |
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Monoisotopic Molecular Weight | 329.256608613 |
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IUPAC Name | 3-[(4,8-dimethylnonanoyl)oxy]-4-(trimethylazaniumyl)butanoate |
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Traditional Name | 4,8-dimethylnonanoylcarnitine |
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CAS Registry Number | Not Available |
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SMILES | CC(C)CCCC(C)CCC(=O)OC(CC([O-])=O)C[N+](C)(C)C |
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InChI Identifier | InChI=1S/C18H35NO4/c1-14(2)8-7-9-15(3)10-11-18(22)23-16(12-17(20)21)13-19(4,5)6/h14-16H,7-13H2,1-6H3 |
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InChI Key | DDTDJDZHDFMZED-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as acyl carnitines. These are organic compounds containing a fatty acid with the carboxylic acid attached to carnitine through an ester bond. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Fatty Acyls |
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Sub Class | Fatty acid esters |
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Direct Parent | Acyl carnitines |
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Alternative Parents | |
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Substituents | - Acyl-carnitine
- Branched fatty acid
- Dicarboxylic acid or derivatives
- Tetraalkylammonium salt
- Quaternary ammonium salt
- Carboxylic acid ester
- Carboxylic acid salt
- Carboxylic acid derivative
- Carboxylic acid
- Organonitrogen compound
- Hydrocarbon derivative
- Organic oxide
- Organopnictogen compound
- Organic nitrogen compound
- Carbonyl group
- Organic oxygen compound
- Amine
- Organooxygen compound
- Organic salt
- 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 | |
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Role | |
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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 - 4,8 Dimethylnonanoyl carnitine GC-MS (Non-derivatized) - 70eV, Positive | splash10-00di-9300000000-7404eec33724333cbe3b | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 4,8 Dimethylnonanoyl carnitine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | 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 - 4,8 Dimethylnonanoyl carnitine 10V, Positive-QTOF | splash10-01qc-0925000000-45565d6ef3b2d942da8c | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4,8 Dimethylnonanoyl carnitine 20V, Positive-QTOF | splash10-0006-2900000000-d0e0f6f815e417182179 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4,8 Dimethylnonanoyl carnitine 40V, Positive-QTOF | splash10-0abc-9600000000-d22566bfbdfdf194d9e0 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4,8 Dimethylnonanoyl carnitine 10V, Negative-QTOF | splash10-004i-1319000000-298fff1a97503d7e7ca0 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4,8 Dimethylnonanoyl carnitine 20V, Negative-QTOF | splash10-0170-1973000000-b1cfe17300810f8c9ed5 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4,8 Dimethylnonanoyl carnitine 40V, Negative-QTOF | splash10-0673-4900000000-0babf4d8840191a63c64 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4,8 Dimethylnonanoyl carnitine 10V, Positive-QTOF | splash10-001i-0009000000-298104349b7d0b2a8ba8 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4,8 Dimethylnonanoyl carnitine 20V, Positive-QTOF | splash10-0019-9005000000-651a44cad152195d72f6 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 4,8 Dimethylnonanoyl carnitine 40V, Positive-QTOF | splash10-000i-9000000000-e9262cbaff8cb4ad0ba6 | 2021-09-24 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum |
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General References | - Ferdinandusse S, Mulders J, IJlst L, Denis S, Dacremont G, Waterham HR, Wanders RJ: Molecular cloning and expression of human carnitine octanoyltransferase: evidence for its role in the peroxisomal beta-oxidation of branched-chain fatty acids. Biochem Biophys Res Commun. 1999 Sep 16;263(1):213-8. [PubMed:10486279 ]
- Verhoeven NM, Roe DS, Kok RM, Wanders RJ, Jakobs C, Roe CR: Phytanic acid and pristanic acid are oxidized by sequential peroxisomal and mitochondrial reactions in cultured fibroblasts. J Lipid Res. 1998 Jan;39(1):66-74. [PubMed:9469587 ]
- Ofman R, el Mrabet L, Dacremont G, Spijer D, Wanders RJ: Demonstration of dimethylnonanoyl-CoA thioesterase activity in rat liver peroxisomes followed by purification and molecular cloning of the thioesterase involved. Biochem Biophys Res Commun. 2002 Jan 18;290(2):629-34. [PubMed:11785945 ]
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