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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:142268 term browser browse the term
Definition:A tryptophan derivative resulting from the formal condensation of the alpha-amino group of tryptophan with malonic acid.
Synonyms:exact_synonym: N-(carboxyacetyl)tryptophan
 related_synonym: 2-(2-carboxyacetamido)-3-(1H-indol-3-yl)propanoic acid;   Formula=C14H14N2O5;   InChI=1S/C14H14N2O5/c17-12(6-13(18)19)16-11(14(20)21)5-8-7-15-10-4-2-1-3-9(8)10/h1-4,7,11,15H,5-6H2,(H,16,17)(H,18,19)(H,20,21);   InChIKey=OVEAWSPZRGBTSS-UHFFFAOYSA-N;   N-malonyl-tryptophan;   SMILES=C=12C=CC=CC1NC=C2CC(NC(CC(=O)O)=O)C(O)=O
 xref: CAS:29399-11-9;   FooDB:FDB019107;   HMDB:HMDB0039500;   KNApSAcK:C00000118;   PMID:21958116;   Reaxys:5353719

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Term Annotations click to browse term
  CHEBI ontology 19875
    chemical entity 19875
      atom 19873
        nonmetal atom 19751
          nitrogen atom 18640
            nitrogen molecular entity 18640
              organonitrogen compound 18414
                carboxamide 17189
                  secondary carboxamide 284
                    N-malonyltryptophan 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19875
    subatomic particle 19873
      composite particle 19873
        hadron 19873
          baryon 19873
            nucleon 19873
              atomic nucleus 19873
                atom 19873
                  main group element atom 19763
                    p-block element atom 19763
                      carbon group element atom 19668
                        carbon atom 19657
                          organic molecular entity 19657
                            organic group 18569
                              organic divalent group 18560
                                organodiyl group 18560
                                  carbonyl group 18468
                                    carbonyl compound 18468
                                      carboxylic acid 18142
                                        carboacyl group 17404
                                          univalent carboacyl group 17404
                                            carbamoyl group 17189
                                              carboxamide 17189
                                                secondary carboxamide 284
                                                  N-malonyltryptophan 0
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