| Record Information |
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| Version | 5.0 |
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| Status | Detected and Quantified |
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| Creation Date | 2006-05-22 14:17:45 UTC |
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| Update Date | 2023-02-21 17:16:18 UTC |
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| HMDB ID | HMDB0002266 |
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| Secondary Accession Numbers | - HMDB0003520
- HMDB02266
- HMDB03520
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| Metabolite Identification |
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| Common Name | (E)-2-Methylglutaconic acid |
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| Description | 2-Methylglutaconic acid is found in the urine of patients with organic aciduria from 2-methylacetoacetyl-CoA thiolase (EC 2.3.1.9, acetyl-CoA C-acetyltransferase) deficiency (ACAT, OMIM 607809 ). Main clinical features of ACAT include important staturo-ponderal delay, frequent infectious rhinopharyngitis episodes and an acute metabolic acidosis (this metabolic decompensation being adequately halted by bicarbonate supplementation). (PMID: 8930414 , 2925825 ). |
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| Structure | InChI=1S/C6H8O4/c1-4(6(9)10)2-3-5(7)8/h2H,3H2,1H3,(H,7,8)(H,9,10)/b4-2+ |
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| Synonyms | | Value | Source |
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| (e)-2-Methylglutaconate | Generator | | (e)-2-Methyl-2-pentenedioate | HMDB | | (e)-2-Methyl-2-pentenedioic acid | HMDB | | trans-2-Methylglutaconate | HMDB | | trans-2-Methylglutaconic acid | HMDB | | 1-Methyl-1-propene-1,3-dicarboxylic acid | MeSH, HMDB | | 2-Methylglutaconic acid | MeSH, HMDB | | 2E-Methyl-glutaconate | Generator, HMDB | | (e)-2-Methylglutaconic acid | MeSH |
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| Chemical Formula | C6H8O4 |
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| Average Molecular Weight | 144.1253 |
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| Monoisotopic Molecular Weight | 144.042258744 |
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| IUPAC Name | (2E)-2-methylpent-2-enedioic acid |
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| Traditional Name | 2E-methyl-glutaconic acid |
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| CAS Registry Number | 53358-21-7 |
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| SMILES | C\C(=C/CC(O)=O)C(O)=O |
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| InChI Identifier | InChI=1S/C6H8O4/c1-4(6(9)10)2-3-5(7)8/h2H,3H2,1H3,(H,7,8)(H,9,10)/b4-2+ |
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| InChI Key | JKGHDBJDBRBRNA-DUXPYHPUSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as methyl-branched fatty acids. These are fatty acids with an acyl chain that has a methyl branch. Usually, they are saturated and contain only one or more methyl group. However, branches other than methyl may be present. |
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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 acids and conjugates |
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| Direct Parent | Methyl-branched fatty acids |
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| Alternative Parents | |
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| Substituents | - Methyl-branched fatty acid
- Unsaturated fatty acid
- Dicarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- 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 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. Predicted by Afia on May 17, 2022. | 2.78 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 9.648 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.43 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 140.8 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1000.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 329.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 75.0 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 191.2 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 47.8 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 263.3 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 | 263.9 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 255.2 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 636.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 196.9 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 | 810.9 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 202.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 229.5 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 728.3 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 274.6 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 | 415.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| (E)-2-Methylglutaconic acid,1TMS,isomer #1 | C/C(=C\CC(=O)O[Si](C)(C)C)C(=O)O | 1424.1 | Semi standard non polar | 33892256 | | (E)-2-Methylglutaconic acid,1TMS,isomer #2 | C/C(=C\CC(=O)O)C(=O)O[Si](C)(C)C | 1398.8 | Semi standard non polar | 33892256 | | (E)-2-Methylglutaconic acid,2TMS,isomer #1 | C/C(=C\CC(=O)O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1497.0 | Semi standard non polar | 33892256 | | (E)-2-Methylglutaconic acid,1TBDMS,isomer #1 | C/C(=C\CC(=O)O[Si](C)(C)C(C)(C)C)C(=O)O | 1677.2 | Semi standard non polar | 33892256 | | (E)-2-Methylglutaconic acid,1TBDMS,isomer #2 | C/C(=C\CC(=O)O)C(=O)O[Si](C)(C)C(C)(C)C | 1656.9 | Semi standard non polar | 33892256 | | (E)-2-Methylglutaconic acid,2TBDMS,isomer #1 | C/C(=C\CC(=O)O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1925.9 | 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 - (E)-2-Methylglutaconic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0f6w-9200000000-3c26a0f7a91d6acef0f0 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (E)-2-Methylglutaconic acid GC-MS (2 TMS) - 70eV, Positive | splash10-00di-9320000000-06523487fcb76b7974f7 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (E)-2-Methylglutaconic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | 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 - (E)-2-Methylglutaconic acid 10V, Positive-QTOF | splash10-002b-4900000000-a4f5b1870a7ab5d7d9d7 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Methylglutaconic acid 20V, Positive-QTOF | splash10-0032-9300000000-8690078e13fde4da86e9 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Methylglutaconic acid 40V, Positive-QTOF | splash10-0udi-9000000000-3c72687cfe5825fe8620 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Methylglutaconic acid 10V, Negative-QTOF | splash10-0006-3900000000-eeb6bed3f0b5c36c6f79 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Methylglutaconic acid 20V, Negative-QTOF | splash10-0005-9400000000-650d0aa40bf2dd38635f | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Methylglutaconic acid 40V, Negative-QTOF | splash10-0a59-9100000000-a82ead692dae80600526 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Methylglutaconic acid 10V, Positive-QTOF | splash10-001i-9200000000-624b23b748d39e75d3c4 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Methylglutaconic acid 20V, Positive-QTOF | splash10-001i-9000000000-ebe23e1d52795153d360 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Methylglutaconic acid 40V, Positive-QTOF | splash10-0udi-9000000000-1af77fc95f979fc3b380 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Methylglutaconic acid 10V, Negative-QTOF | splash10-002b-9600000000-be26d3e872704242dd9b | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Methylglutaconic acid 20V, Negative-QTOF | splash10-00ea-9000000000-035726473be11e09463d | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (E)-2-Methylglutaconic acid 40V, Negative-QTOF | splash10-001i-9000000000-b8174f664b8393ce68d6 | 2021-09-23 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| 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, 100 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, 1000 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, 200 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, 300 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, 400 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, 500 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, 600 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, 700 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, 800 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 | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum |
IR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted IR Spectrum | IR Ion Spectrum (Quadrupole Ion Trap, ESI+, Adduct: [M+H]+) | 2022-02-11 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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| General References | - Duran M, Bruinvis L, Ketting D, Kamerling JP, Wadman SK, Schutgens RB: The identification of (E)-2-methylglutaconic acid, a new isoleucine metabolite, in the urine of patients with beta-ketothiolase deficiency, propionic acidaemia and methylmalonic acidaemia. Biomed Mass Spectrom. 1982 Jan;9(1):1-5. [PubMed:7059658 ]
- Lefevere MF, Verhaeghe BJ, Declerck DH, Van Bocxlaer JF, De Leenheer AP, De Sagher RM: Metabolic profiling of urinary organic acids by single and multicolumn capillary gas chromatography. J Chromatogr Sci. 1989 Jan;27(1):23-9. [PubMed:2925825 ]
- Fontaine M, Briand G, Ser N, Armelin I, Rolland MO, Degand P, Vamecq J: Metabolic studies in twin brothers with 2-methylacetoacetyl-CoA thiolase deficiency. Clin Chim Acta. 1996 Nov 15;255(1):67-83. [PubMed:8930414 ]
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