Record Information |
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Version | 5.0 |
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Status | Detected but not Quantified |
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Creation Date | 2007-04-12 20:13:16 UTC |
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Update Date | 2022-09-22 18:35:07 UTC |
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HMDB ID | HMDB0006005 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Indolylacryloylglycine |
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Description | Indolylacryloylglycine, also known as Indolyl-3-acrylogylglycine or IAG, belongs to the class of organic compounds known as N-acyl-alpha amino acids. N-acyl-alpha amino acids are compounds containing an alpha amino acid which bears an acyl group at its terminal nitrogen atom. Indolylacryloylglycine is synthesized from tryptophan via indoleacrylic acid (IAcrA) through the conjugation of glycine to IAcrA via endogenous enzymes such as glycine N-acyltransferase (PMID: 10707769 ). The IAcrA must be first conjugated to CoA for this reaction to occur. The indoleacrylic acid is typically produced via microbially derived commensal Peptostreptococcus species (PMID: 28704649 ). IAG is also directly produced by L-tryptophan via certain mammalian gut microbes containing the enzyme tryptophan ammonia lyase (PMID: 25961404 ). Tryptophan ammonia lyase (EC 4.3.1.31) catalyzes the reaction of L-tryptophan to directly produce indole-3-acrylic acid and ammonia. This enzyme was initially characterized from the bacterium Rubrivivax benzoatilyticus JA2 (PMID: 25961404 ). It requires no cofactors and acts on L-phenylalanine and L-glutamate with about 60% of the activity of L-tryptophan, and on L-tyrosine, glycine, and L-alanine with about 30% of the activity (PMID: 25961404 ). Overall, IAG is both a microbial-host co-metabolite and a pure microbial metabolite. IAG may be a biomarker for autism spectrum disorders (PMID: 11858215 , PMID: 14523330 , PMID: 19697973 ). It has been reported that urinary levels of IAG are much higher in autistic children than in controls. However, these findings are controversial and have not been reproduced consistently (PMID: 27569540 , PMID: 27879968 ). Elevated urinary Indolylacryloylglycine may also be a marker for gastroinstestinal dysfunction (PMID: 19697973 ). Urinary Indolylacryloylglycine has also been reported as a potential biomarker to distinguish high-grade bladder cancer from low-grade bladder cancer (PMID: 29451296 ). Indolylacryloylglycine has been detected, but not quantified in, several different foods, such as chickens (Gallus gallus), domestic pigs (Sus scrofa domestica), and milk (cow). This could make indolylacryloylglycine a potential biomarker for the consumption of these foods. |
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Structure | [H]\C(=C(\[H])C1=CNC2=CC=CC=C12)C(O)=NCC(O)=O InChI=1S/C13H12N2O3/c16-12(15-8-13(17)18)6-5-9-7-14-11-4-2-1-3-10(9)11/h1-7,14H,8H2,(H,15,16)(H,17,18)/b6-5+ |
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Synonyms | Value | Source |
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IAG | HMDB | Indole-3-acryloyl-glycine | HMDB | Indoleacrylic glycine | HMDB | Indolyl acryloylglycine | HMDB | N-(3-(1-indol-3-yl)-1-oxo-2-Propenyl)glycine | HMDB | Indolylacryloylglycine, (e)-isomer | MeSH, HMDB | Indolyl-3-acryloylglycine | MeSH, HMDB | 2-{[(2E)-1-hydroxy-3-(1H-indol-3-yl)prop-2-en-1-ylidene]amino}acetate | Generator, HMDB | Indolylacryloylglycine | MeSH |
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Chemical Formula | C13H12N2O3 |
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Average Molecular Weight | 244.246 |
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Monoisotopic Molecular Weight | 244.08479226 |
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IUPAC Name | 2-{[(2E)-1-hydroxy-3-(1H-indol-3-yl)prop-2-en-1-ylidene]amino}acetic acid |
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Traditional Name | {[(2E)-1-hydroxy-3-(1H-indol-3-yl)prop-2-en-1-ylidene]amino}acetic acid |
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CAS Registry Number | 3475-68-1 |
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SMILES | [H]\C(=C(\[H])C1=CNC2=CC=CC=C12)C(O)=NCC(O)=O |
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InChI Identifier | InChI=1S/C13H12N2O3/c16-12(15-8-13(17)18)6-5-9-7-14-11-4-2-1-3-10(9)11/h1-7,14H,8H2,(H,15,16)(H,17,18)/b6-5+ |
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InChI Key | DUIFVCFSAWHIOD-AATRIKPKSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as n-acyl-alpha amino acids. N-acyl-alpha amino acids are compounds containing an alpha amino acid which bears an acyl group at its terminal nitrogen atom. |
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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 | N-acyl-alpha amino acids |
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Alternative Parents | |
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Substituents | - N-acyl-alpha-amino acid
- Indole
- Indole or derivatives
- Substituted pyrrole
- Benzenoid
- Pyrrole
- Heteroaromatic compound
- Secondary carboxylic acid amide
- Carboxamide group
- Organoheterocyclic compound
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Azacycle
- Hydrocarbon derivative
- Organic oxide
- Organooxygen compound
- Organonitrogen compound
- Organopnictogen compound
- Organic oxygen compound
- Organic nitrogen compound
- Carbonyl group
- Aromatic heteropolycyclic compound
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Molecular Framework | Aromatic heteropolycyclic compounds |
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External Descriptors | Not Available |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | Not Available |
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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 IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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Indolylacryloylglycine,1TMS,isomer #1 | C[Si](C)(C)OC(/C=C/C1=C[NH]C2=CC=CC=C12)=NCC(=O)O | 2746.8 | Semi standard non polar | 33892256 | Indolylacryloylglycine,1TMS,isomer #2 | C[Si](C)(C)OC(=O)CN=C(O)/C=C/C1=C[NH]C2=CC=CC=C12 | 2717.7 | Semi standard non polar | 33892256 | Indolylacryloylglycine,1TMS,isomer #3 | C[Si](C)(C)N1C=C(/C=C/C(O)=NCC(=O)O)C2=CC=CC=C21 | 2864.9 | Semi standard non polar | 33892256 | Indolylacryloylglycine,2TMS,isomer #1 | C[Si](C)(C)OC(=O)CN=C(/C=C/C1=C[NH]C2=CC=CC=C12)O[Si](C)(C)C | 2718.9 | Semi standard non polar | 33892256 | Indolylacryloylglycine,2TMS,isomer #2 | C[Si](C)(C)OC(/C=C/C1=CN([Si](C)(C)C)C2=CC=CC=C12)=NCC(=O)O | 2845.2 | Semi standard non polar | 33892256 | Indolylacryloylglycine,2TMS,isomer #3 | C[Si](C)(C)OC(=O)CN=C(O)/C=C/C1=CN([Si](C)(C)C)C2=CC=CC=C12 | 2812.4 | Semi standard non polar | 33892256 | Indolylacryloylglycine,3TMS,isomer #1 | C[Si](C)(C)OC(=O)CN=C(/C=C/C1=CN([Si](C)(C)C)C2=CC=CC=C12)O[Si](C)(C)C | 2786.2 | Semi standard non polar | 33892256 | Indolylacryloylglycine,3TMS,isomer #1 | C[Si](C)(C)OC(=O)CN=C(/C=C/C1=CN([Si](C)(C)C)C2=CC=CC=C12)O[Si](C)(C)C | 2591.7 | Standard non polar | 33892256 | Indolylacryloylglycine,3TMS,isomer #1 | C[Si](C)(C)OC(=O)CN=C(/C=C/C1=CN([Si](C)(C)C)C2=CC=CC=C12)O[Si](C)(C)C | 2956.5 | Standard polar | 33892256 | Indolylacryloylglycine,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(/C=C/C1=C[NH]C2=CC=CC=C12)=NCC(=O)O | 3007.9 | Semi standard non polar | 33892256 | Indolylacryloylglycine,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)CN=C(O)/C=C/C1=C[NH]C2=CC=CC=C12 | 2992.6 | Semi standard non polar | 33892256 | Indolylacryloylglycine,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N1C=C(/C=C/C(O)=NCC(=O)O)C2=CC=CC=C21 | 3079.6 | Semi standard non polar | 33892256 | Indolylacryloylglycine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CN=C(/C=C/C1=C[NH]C2=CC=CC=C12)O[Si](C)(C)C(C)(C)C | 3216.9 | Semi standard non polar | 33892256 | Indolylacryloylglycine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(/C=C/C1=CN([Si](C)(C)C(C)(C)C)C2=CC=CC=C12)=NCC(=O)O | 3274.4 | Semi standard non polar | 33892256 | Indolylacryloylglycine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC(=O)CN=C(O)/C=C/C1=CN([Si](C)(C)C(C)(C)C)C2=CC=CC=C12 | 3252.4 | Semi standard non polar | 33892256 | Indolylacryloylglycine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CN=C(/C=C/C1=CN([Si](C)(C)C(C)(C)C)C2=CC=CC=C12)O[Si](C)(C)C(C)(C)C | 3395.8 | Semi standard non polar | 33892256 | Indolylacryloylglycine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CN=C(/C=C/C1=CN([Si](C)(C)C(C)(C)C)C2=CC=CC=C12)O[Si](C)(C)C(C)(C)C | 3171.8 | Standard non polar | 33892256 | Indolylacryloylglycine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CN=C(/C=C/C1=CN([Si](C)(C)C(C)(C)C)C2=CC=CC=C12)O[Si](C)(C)C(C)(C)C | 3154.5 | Standard polar | 33892256 |
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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 - Indolylacryloylglycine GC-MS (Non-derivatized) - 70eV, Positive | splash10-00di-1910000000-af9421f979b84f7c1d21 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Indolylacryloylglycine GC-MS (1 TMS) - 70eV, Positive | splash10-00dj-5920000000-34a6af95e2fa1e07e867 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Indolylacryloylglycine 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 - Indolylacryloylglycine 10V, Positive-QTOF | splash10-002b-4590000000-bfd50d5180c6bd14c6cd | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Indolylacryloylglycine 20V, Positive-QTOF | splash10-056r-9710000000-8b4ac64ee5199a960b5e | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Indolylacryloylglycine 40V, Positive-QTOF | splash10-056u-7900000000-12988d991d4fb8d3f60c | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Indolylacryloylglycine 10V, Negative-QTOF | splash10-0006-0190000000-4a969f2be20f7b81f7fb | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Indolylacryloylglycine 20V, Negative-QTOF | splash10-006x-6890000000-d7bb4b025f6e9caddfc7 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Indolylacryloylglycine 40V, Negative-QTOF | splash10-05fu-9400000000-0ac0d883ab78f58631e6 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Indolylacryloylglycine 10V, Negative-QTOF | splash10-006x-0960000000-27152d1fd1bb75d52117 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Indolylacryloylglycine 20V, Negative-QTOF | splash10-006x-2920000000-95b20ae472699500646a | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Indolylacryloylglycine 40V, Negative-QTOF | splash10-0006-0900000000-e1ada5cb92852f044560 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Indolylacryloylglycine 10V, Positive-QTOF | splash10-002b-0190000000-d2eeedccf34de3bbcbb5 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Indolylacryloylglycine 20V, Positive-QTOF | splash10-006x-0910000000-19365eb3817e6e25ff6f | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Indolylacryloylglycine 40V, Positive-QTOF | splash10-0006-0900000000-e7f97c6d0f9554f2ee7a | 2021-09-22 | Wishart Lab | View Spectrum |
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General References | - Bull G, Shattock P, Whiteley P, Anderson R, Groundwater PW, Lough JW, Lees G: Indolyl-3-acryloylglycine (IAG) is a putative diagnostic urinary marker for autism spectrum disorders. Med Sci Monit. 2003 Oct;9(10):CR422-5. [PubMed:14523330 ]
- Wright B, Brzozowski AM, Calvert E, Farnworth H, Goodall DM, Holbrook I, Imrie G, Jordan J, Kelly A, Miles J, Smith R, Town J: Is the presence of urinary indolyl-3-acryloylglycine associated with autism spectrum disorder? Dev Med Child Neurol. 2005 Mar;47(3):190-2. [PubMed:15739724 ]
- Anderson RJ, Bendell DJ, Garnett I, Groundwater PW, Lough WJ, Mills MJ, Savery D, Shattock PE: Identification of indolyl-3-acryloylglycine in the urine of people with autism. J Pharm Pharmacol. 2002 Feb;54(2):295-8. [PubMed:11858215 ]
- Marklova E: Where does indolylacrylic acid come from? Amino Acids. 1999;17(4):401-13. [PubMed:10707769 ]
- Wlodarska M, Luo C, Kolde R, d'Hennezel E, Annand JW, Heim CE, Krastel P, Schmitt EK, Omar AS, Creasey EA, Garner AL, Mohammadi S, O'Connell DJ, Abubucker S, Arthur TD, Franzosa EA, Huttenhower C, Murphy LO, Haiser HJ, Vlamakis H, Porter JA, Xavier RJ: Indoleacrylic Acid Produced by Commensal Peptostreptococcus Species Suppresses Inflammation. Cell Host Microbe. 2017 Jul 12;22(1):25-37.e6. doi: 10.1016/j.chom.2017.06.007. [PubMed:28704649 ]
- Kumavath RN, Ramana ChV, Sasikala Ch, Barh D, Kumar AP, Azevedo V: Isolation and Characterization of L-Tryptophan Ammonia Lyase from Rubrivivax benzoatilyticus Strain JA2. Curr Protein Pept Sci. 2015;16(8):775-81. doi: 10.2174/1389203716666150505235929. [PubMed:25961404 ]
- Wang L, Angley MT, Gerber JP, Young RL, Abarno DV, McKinnon RA, Sorich MJ: Is urinary indolyl-3-acryloylglycine a biomarker for autism with gastrointestinal symptoms? Biomarkers. 2009 Dec;14(8):596-603. doi: 10.3109/13547500903183962. [PubMed:19697973 ]
- Dalton NR, Chandler S, Turner C, Charman T, Pickles A, Simonoff E, Baird G: Measurement of urine indolylacroylglycine is not useful in the diagnosis or dietary management of autism. Autism Res. 2017 Mar;10(3):408-413. doi: 10.1002/aur.1688. Epub 2016 Aug 29. [PubMed:27569540 ]
- Wilson J, Wright B, Jost S, Smith R, Pearce H, Richardson S: Can urinary indolylacroylglycine levels be used to determine whether children with autism will benefit from dietary intervention? Pediatr Res. 2017 Apr;81(4):672-679. doi: 10.1038/pr.2016.256. Epub 2016 Nov 23. [PubMed:27879968 ]
- Liu X, Cheng X, Liu X, He L, Zhang W, Wang Y, Sun W, Ji Z: Investigation of the urinary metabolic variations and the application in bladder cancer biomarker discovery. Int J Cancer. 2018 Jul 15;143(2):408-418. doi: 10.1002/ijc.31323. Epub 2018 Mar 2. [PubMed:29451296 ]
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