Record Information |
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Version | 2.0 |
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Created at | 2005-11-16 15:48:42 UTC |
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Updated at | 2020-11-24 22:23:31 UTC |
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NP-MRD ID | NP0001440 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | L-Kynurenine |
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Description | Kynurenine is a metabolite of the amino acid tryptophan used in the production of niacin. L-Kynurenine is a central compound of the tryptophan metabolism pathway since it can change into the neuroprotective agent kynurenic acid or to the neurotoxic agent quinolinic acid. The break-up of these endogenous compounds' balance can be observable in many disorders such as stroke, epilepsy, multiple sclerosis, and amyotrophic lateral sclerosis. It can also occur in neurodegenerative disorders such as Parkinson's disease, Huntington's, and Alzheimer's disease; and in mental disorders such as schizophrenia and depression. |
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Structure | N[C@@H](CC(=O)C1=CC=CC=C1N)C(O)=O InChI=1S/C10H12N2O3/c11-7-4-2-1-3-6(7)9(13)5-8(12)10(14)15/h1-4,8H,5,11-12H2,(H,14,15)/t8-/m0/s1 |
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Synonyms | Value | Source |
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(2S)-2-Amino-4-(2-aminophenyl)-4-oxobutanoic acid | ChEBI | 3-Anthraniloyl-L-alanine | ChEBI | KYNURENINE | ChEBI | (2S)-2-Amino-4-(2-aminophenyl)-4-oxobutanoate | Generator | (AlphaS)-alpha,2-diamino-3-hydroxy-gamma-oxo-benzenebutanoate | HMDB | (AlphaS)-alpha,2-diamino-3-hydroxy-gamma-oxo-benzenebutanoic acid | HMDB | (S)-alpha,2-Diamino-3-hydroxy-gamma-oxo-benzenebutanoate | HMDB | (S)-alpha,2-Diamino-3-hydroxy-gamma-oxo-benzenebutanoic acid | HMDB | 3-(3-Hydroxyanthraniloyl)-L-alanine | HMDB | 3-Anthraniloyl-alanine | HMDB | 3-Anthraniloylalanine | HMDB | 3-Hydroxy-L-kynurenine | HMDB | alpha,2-Diamino-gamma-oxo-benzenebutanoate | HMDB | alpha,2-Diamino-gamma-oxo-benzenebutanoic acid | HMDB | DL-Kynurenine | HMDB | DL-Kynureninefree base | HMDB | Kynurenin | HMDB | Quinurenine | HMDB |
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Chemical Formula | C10H12N2O3 |
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Average Mass | 208.2139 Da |
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Monoisotopic Mass | 208.08479 Da |
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IUPAC Name | (2S)-2-amino-4-(2-aminophenyl)-4-oxobutanoic acid |
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Traditional Name | L-kynurenine |
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CAS Registry Number | 2922-83-0 |
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SMILES | N[C@@H](CC(=O)C1=CC=CC=C1N)C(O)=O |
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InChI Identifier | InChI=1S/C10H12N2O3/c11-7-4-2-1-3-6(7)9(13)5-8(12)10(14)15/h1-4,8H,5,11-12H2,(H,14,15)/t8-/m0/s1 |
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InChI Key | YGPSJZOEDVAXAB-QMMMGPOBSA-N |
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Experimental Spectra |
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| Spectrum Type | Description | Depositor Email | Depositor Organization | Depositor | Deposition Date | View |
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1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| Predicted Spectra |
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| Not Available | Chemical Shift Submissions |
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| Not Available | Species |
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Species of Origin | |
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Species Where Detected | |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as alkyl-phenylketones. These are aromatic compounds containing a ketone substituted by one alkyl group, and a phenyl group. |
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Kingdom | Organic compounds |
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Super Class | Organic oxygen compounds |
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Class | Organooxygen compounds |
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Sub Class | Carbonyl compounds |
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Direct Parent | Alkyl-phenylketones |
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Alternative Parents | |
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Substituents | - Alkyl-phenylketone
- Butyrophenone
- Alpha-amino acid
- Alpha-amino acid or derivatives
- L-alpha-amino acid
- Benzoyl
- Gamma-keto acid
- Aniline or substituted anilines
- Aryl alkyl ketone
- Monocyclic benzene moiety
- Beta-aminoketone
- Keto acid
- Benzenoid
- Vinylogous amide
- Amino acid
- Amino acid or derivatives
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Primary aliphatic amine
- Amine
- Hydrocarbon derivative
- Organopnictogen compound
- Organic oxide
- Organic nitrogen compound
- Organonitrogen compound
- Primary amine
- Aromatic homomonocyclic compound
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Molecular Framework | Aromatic homomonocyclic compounds |
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External Descriptors | |
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Physical Properties |
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State | Solid |
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Experimental Properties | Property | Value | Reference |
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Melting Point | 191 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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Predicted Properties | |
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General References | - Medana IM, Day NP, Salahifar-Sabet H, Stocker R, Smythe G, Bwanaisa L, Njobvu A, Kayira K, Turner GD, Taylor TE, Hunt NH: Metabolites of the kynurenine pathway of tryptophan metabolism in the cerebrospinal fluid of Malawian children with malaria. J Infect Dis. 2003 Sep 15;188(6):844-9. Epub 2003 Sep 9. [PubMed:12964115 ]
- Widner B, Sepp N, Kowald E, Ortner U, Wirleitner B, Fritsch P, Baier-Bitterlich G, Fuchs D: Enhanced tryptophan degradation in systemic lupus erythematosus. Immunobiology. 2000 Apr;201(5):621-30. [PubMed:10834318 ]
- Widner B, Sepp N, Kowald E, Kind S, Schmuth M, Fuchs D: Degradation of tryptophan in patients with systemic lupus erythematosus. Adv Exp Med Biol. 1999;467:571-7. [PubMed:10721102 ]
- Joseph MH: Determination of kynurenine by a simple gas-liquid chromatographic method applicable to urine, plasma, brain and cerebrospinal fluid. J Chromatogr. 1978 Jul 1;146(1):33-41. [PubMed:670356 ]
- Heyes MP, Saito K, Lackner A, Wiley CA, Achim CL, Markey SP: Sources of the neurotoxin quinolinic acid in the brain of HIV-1-infected patients and retrovirus-infected macaques. FASEB J. 1998 Jul;12(10):881-96. [PubMed:9657528 ]
- Fujigaki S, Saito K, Takemura M, Fujii H, Wada H, Noma A, Seishima M: Species differences in L-tryptophan-kynurenine pathway metabolism: quantification of anthranilic acid and its related enzymes. Arch Biochem Biophys. 1998 Oct 15;358(2):329-35. [PubMed:9784247 ]
- Widner B, Werner ER, Schennach H, Fuchs D: An HPLC method to determine tryptophan and kynurenine in serum simultaneously. Adv Exp Med Biol. 1999;467:827-32. [PubMed:10721136 ]
- Saito K, Fujigaki S, Heyes MP, Shibata K, Takemura M, Fujii H, Wada H, Noma A, Seishima M: Mechanism of increases in L-kynurenine and quinolinic acid in renal insufficiency. Am J Physiol Renal Physiol. 2000 Sep;279(3):F565-72. [PubMed:10966936 ]
- Heyes MP, Saito K, Milstien S, Schiff SJ: Quinolinic acid in tumors, hemorrhage and bacterial infections of the central nervous system in children. J Neurol Sci. 1995 Nov;133(1-2):112-8. [PubMed:8583213 ]
- Martinsons A, Rudzite V, Groma V, Bratslavska O, Widner B, Fuchs D: Kynurenine and neopterin in chronic glomerulonephritis. Adv Exp Med Biol. 1999;467:579-86. [PubMed:10721103 ]
- Heyes MP, Saito K, Crowley JS, Davis LE, Demitrack MA, Der M, Dilling LA, Elia J, Kruesi MJ, Lackner A, et al.: Quinolinic acid and kynurenine pathway metabolism in inflammatory and non-inflammatory neurological disease. Brain. 1992 Oct;115 ( Pt 5):1249-73. [PubMed:1422788 ]
- Moroni F, Carpenedo R, Chiarugi A: Kynurenine hydroxylase and kynureninase inhibitors as tools to study the role of kynurenine metabolites in the central nervous system. Adv Exp Med Biol. 1996;398:203-10. [PubMed:8906267 ]
- Calandra P: Research on tryptophan metabolites "via kynurenine" in epidermis of man and mouse. Acta Vitaminol Enzymol. 1975;29(1-6):158-60. [PubMed:1244085 ]
- Manuelpillai U, Nicholls T, Wallace EM, Phillips DJ, Guillemin G, Walker D: Increased mRNA expression of kynurenine pathway enzymes in human placentae exposed to bacterial endotoxin. Adv Exp Med Biol. 2003;527:85-9. [PubMed:15206719 ]
- Greengard O: Relationship between urinary excretion of kynurenine and liver tryptophan oxygenase activity. Am J Clin Nutr. 1971 Jun;24(6):709-11. [PubMed:5581008 ]
- Heinmets F: Computer simulation and analysis of tryptophan metabolism via kynurenine pathway in liver. Comput Biol Med. 1974 Sep;1(4):323-36. [PubMed:4600391 ]
- Okuno E, Nakamura M, Schwarcz R: Two kynurenine aminotransferases in human brain. Brain Res. 1991 Mar 1;542(2):307-12. [PubMed:2029638 ]
- Altman K, Greengard O: Correlation of kynurenine excretion with liver tryptophan pyrrolase levels in disease and after hydrocortisone induction. J Clin Invest. 1966 Oct;45(10):1527-34. [PubMed:5925511 ]
- Pearson SJ, Meldrum A, Reynolds GP: An investigation of the activities of 3-hydroxykynureninase and kynurenine aminotransferase in the brain in Huntington's disease. J Neural Transm Gen Sect. 1995;102(1):67-73. [PubMed:8785025 ]
- Hartai Z, Klivenyi P, Janaky T, Penke B, Dux L, Vecsei L: Kynurenine metabolism in plasma and in red blood cells in Parkinson's disease. J Neurol Sci. 2005 Dec 15;239(1):31-5. Epub 2005 Aug 15. [PubMed:16099471 ]
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