| Record Information |
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| Version | 1.0 |
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| Creation date | 2011-09-21 00:25:22 UTC |
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| Update date | 2026-10-16 00:56:35 UTC |
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| Primary ID | FDB023148 |
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| Secondary Accession Numbers | Not Available |
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| Chemical Information |
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| FooDB Name | D-Glutamic acid |
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| Description | There are two forms of glutamic acid found in nature: L-glutamic acid and D-glutamic acid. D-glutamic acid, is not endogenously produced in higher mammals. It is found naturally primarily in the cell walls of certain bacteria. D-glutamate is also present in certain foods e.g., soybeans and also arises from the turnover of the intestinal tract microflora, whose cell walls contain significant D-glutamate. Unlike other D-amino acids, D-glutamate is not oxidized by the D-amino acid oxidases, and therefore this detoxification pathway is not available for handling D-glutamate. Likewise, D-glutamic acid, when ingested, largely escapes most deamination reactions (unlike the L-counterpart). Free D-glutamate is found in mammalian tissue at surprisingly high levels, with D-glutamate accounting for 9% of the total glutamate present in liver. D-glutamate is the most potent natural inhibitor of glutathione synthesis identified to date and this may account for its localization to the liver, since circulating D-glutamate may alter redox stabiity (PMID 11158923). Certain eels are known to use D-glutamic acid as a phermone for chemical communication. [HMDB] |
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| CAS Number | 6893-26-1 |
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| Structure | |
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| Synonyms | | Synonym | Source |
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| (R)-2-Aminopentanedioic acid | ChEBI | | D-2-Aminoglutaric acid | ChEBI | | D-Glutaminic acid | ChEBI | | D-Glutaminsaeure | ChEBI | | DGL | ChEBI | | Glutamic acid D-form | ChEBI | | (R)-2-Aminopentanedioate | Generator | | D-2-Aminoglutarate | Generator | | D-Glutaminate | Generator | | Glutamate D-form | Generator | | D-Glutamate | Generator | | (2R)-2-Aminopentanedioate | HMDB | | (2R)-2-Aminopentanedioic acid | HMDB | | D-2-Aminopentanedioate | HMDB | | D-2-Aminopentanedioic acid | HMDB | | delta-2-Aminoglutarate | HMDB | | delta-2-Aminoglutaric acid | HMDB | | delta-2-Aminopentanedioate | HMDB | | delta-2-Aminopentanedioic acid | HMDB | | delta-Glutamate | HMDB | | delta-Glutamic acid | HMDB | | delta-Glutaminate | HMDB | | delta-Glutaminic acid | HMDB | | delta-Glutaminsaeure | HMDB | | Glutamate | HMDB | | Lopac-g-2128 | HMDB | | Lopac-gamma-2128 | HMDB | | R-(-)-Glutamate | HMDB | | R-(-)-Glutamic acid | HMDB | | Tocris-0217 | HMDB | | Glutamic acid, (D)-isomer | HMDB | | L Glutamic acid | HMDB | | L-Glutamate | HMDB | | L-Glutamic acid | HMDB | | D Glutamate | HMDB | | Glutamate, potassium | HMDB | | L-Glutamate, aluminum | HMDB | | Aluminum L glutamate | HMDB | | Glutamic acid | HMDB | | L Glutamate | HMDB | | Aluminum L-glutamate | HMDB | | Potassium glutamate | HMDB | | (2R)-2-aminopentanedioate | hmdb | | (2R)-2-aminopentanedioic acid | hmdb | | (R)-2-aminopentanedioate | hmdb | | (R)-2-aminopentanedioic acid | hmdb | | D-Glutamic acid | hmdb | | glutamic acid D-form | hmdb | | Lopac-G-2128 | hmdb |
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| Predicted Properties | |
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| Chemical Formula | C5H9NO4 |
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| IUPAC name | (2R)-2-aminopentanedioic acid |
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| InChI Identifier | InChI=1S/C5H9NO4/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H,7,8)(H,9,10)/t3-/m1/s1 |
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| InChI Key | WHUUTDBJXJRKMK-GSVOUGTGSA-N |
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| Isomeric SMILES | N[C@H](CCC(O)=O)C(O)=O |
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| Average Molecular Weight | 147.1293 |
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| Monoisotopic Molecular Weight | 147.053157781 |
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| Classification |
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| Description | Belongs to the class of organic compounds known as glutamic acid and derivatives. Glutamic acid and derivatives are compounds containing glutamic acid or a derivative thereof resulting from reaction of glutamic acid at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Amino acids, peptides, and analogues |
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| Direct Parent | Glutamic acid and derivatives |
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| Alternative Parents | |
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| Substituents | - Glutamic acid or derivatives
- Alpha-amino acid
- D-alpha-amino acid
- Amino fatty acid
- Dicarboxylic acid or derivatives
- Fatty acid
- Fatty acyl
- Amino acid
- Carboxylic acid
- Organic oxide
- Primary amine
- Organooxygen compound
- Organonitrogen compound
- Primary aliphatic amine
- Organopnictogen compound
- Carbonyl group
- Organic oxygen compound
- Amine
- Organic nitrogen compound
- 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 | Health effect: |
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| Disposition | Route of exposure: Source: Biological location: |
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| Role | Industrial application: |
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| Physico-Chemical Properties |
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| Physico-Chemical Properties - Experimental | | Property | Value | Reference |
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| Physical state | Not Available | |
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| Physical Description | Not Available | |
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| Mass Composition | Not Available | |
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| Melting Point | Not Available | |
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| Boiling Point | Not Available | |
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| Experimental Water Solubility | Not Available | |
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| Experimental logP | Not Available | |
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| Experimental pKa | Not Available | |
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| Isoelectric point | Not Available | |
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| Charge | Not Available | |
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| Optical Rotation | Not Available | |
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| Spectroscopic UV Data | Not Available | |
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| Density | Not Available | |
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| Refractive Index | Not Available | |
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| Spectra |
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| Spectra | |
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| EI-MS/GC-MS | | Type | Description | Splash Key | View |
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| Predicted GC-MS | D-Glutamic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-0k9x-9300000000-a43e0122a45b9abf09d6 | Spectrum | | Predicted GC-MS | D-Glutamic acid, 2 TMS, Predicted GC-MS Spectrum - 70eV, Positive | splash10-00dl-9240000000-53c8c708191dfcd550d0 | Spectrum | | Predicted GC-MS | D-Glutamic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | D-Glutamic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum |
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| MS/MS | | Type | Description | Splash Key | View |
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| MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , negative | splash10-0002-0900000000-ad4a2989e599a67182c0 | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , negative | splash10-0udi-0900000000-c449cfd2231fe941d44f | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , negative | splash10-0udi-1900000000-f71458032a132069f94f | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , negative | splash10-0udi-7900000000-810570c8cfcea8da64f5 | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , negative | splash10-0006-9000000000-d5167570d11d77fd541e | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , positive | splash10-0002-0900000000-c7d42b011a328bb7991d | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , positive | splash10-001i-9300000000-9fd882f84339f600b5eb | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , positive | splash10-001i-9000000000-407a30a35de9c1cceb3a | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , positive | splash10-001i-9000000000-8610ea89d52ef116caf5 | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , positive | splash10-0a4i-9000000000-331b7ed6ea33880c306e | 2017-09-14 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-001i-3900000000-58248bb2a0c7ddc905cf | 2015-09-15 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0zgi-9600000000-076b628a6858a60a475f | 2015-09-15 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0a4i-9000000000-bd3823a5fab8a2d9b62c | 2015-09-15 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-0002-1900000000-11233b5887638266e512 | 2015-09-15 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-0fba-4900000000-1e8ea62e3fbd8467396f | 2015-09-15 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0abc-9100000000-6c956e122b59de69a472 | 2015-09-15 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-0f89-4900000000-c467fa409affedc9ab85 | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-001i-9100000000-ddda6500978ea1670dcf | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0a4i-9000000000-4c6639c8639f077b57a0 | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-0059-4900000000-503f6a47bc72662de09c | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-0ugi-3900000000-ec06b29308ff068bf7a2 | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0006-9000000000-e06c31345e8a86e71de1 | 2021-09-24 | View Spectrum |
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| NMR | Not Available |
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| External Links |
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| ChemSpider ID | 21814 |
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| ChEMBL ID | CHEMBL76232 |
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| KEGG Compound ID | C00217 |
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| Pubchem Compound ID | 23327 |
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| Pubchem Substance ID | Not Available |
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| ChEBI ID | 15966 |
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| Phenol-Explorer ID | Not Available |
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| DrugBank ID | Not Available |
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| HMDB ID | HMDB03339 |
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| CRC / DFC (Dictionary of Food Compounds) ID | Not Available |
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| EAFUS ID | Not Available |
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| Dr. Duke ID | Not Available |
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| BIGG ID | Not Available |
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| KNApSAcK ID | C00019577 |
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| HET ID | Not Available |
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| Food Biomarker Ontology | Not Available |
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| VMH ID | Not Available |
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| Flavornet ID | Not Available |
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| GoodScent ID | Not Available |
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| SuperScent ID | Not Available |
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| Wikipedia ID | DGL |
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| Phenol-Explorer Metabolite ID | Not Available |
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| Duplicate IDS | Not Available |
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| Old DFC IDS | Not Available |
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| Associated Foods |
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| Food | Content Range | Average | Reference |
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| Food | | | Reference |
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| Biological Effects and Interactions |
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| Health Effects / Bioactivities | Not Available |
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| Enzymes | Not Available |
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| Pathways | Not Available |
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| Metabolism | Not Available |
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| Biosynthesis | Not Available |
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| Organoleptic Properties |
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| Flavours | Not Available |
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| Files |
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| MSDS | show |
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| References |
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| Synthesis Reference | Not Available |
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| General Reference | Not Available |
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| Content Reference | 3 unique sources. Numbers in the composition tables above point here. Show sources - [1] Ono K, Yanagida K, Oikawa T, Ogawa T, Soda K: Alanine racemase of alfalfa seedlings (Medicago sativa L.): first evidence for the presence of an amino acid racemase in plants. Phytochemistry. 2006 May;67(9):856-60. doi: 10.1016/j.phytochem.2006.02.017. Epub 2006 Apr 17. [PubMed:16616264]
- [2] Onozato M, Nakanoue H, Sakamoto T, Umino M, Fukushima T: Determination of d- and l-Amino Acids in Garlic Foodstuffs by Liquid Chromatography-Tandem Mass Spectrometry. Molecules. 2023 Feb 13;28(4):1773. doi: 10.3390/molecules28041773. [PubMed:36838762]
- [3] MANUAL
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