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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:133686 term browser browse the term
Definition:A non-proteinogenic alpha-amino acid that is tryptophan in which the hydrogen at position 5 on the indole ring is replaced by a bromo group.
Synonyms:related_synonym: 2-amino-3-(5-bromo-1H-indol-3-yl)propanoic acid;   Formula=C11H11BrN2O2;   InChI=1S/C11H11BrN2O2/c12-7-1-2-10-8(4-7)6(5-14-10)3-9(13)11(15)16/h1-2,4-5,9,14H,3,13H2,(H,15,16);   InChIKey=KZDNJQUJBMDHJW-UHFFFAOYSA-N;   SMILES=C1(=CNC2=C1C=C(C=C2)Br)CC(C(O)=O)N
 xref: CAS:6548-09-0;   Reaxys:5280904
 cyclic_relationship: is_tautomer_of CHEBI:133688

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  CHEBI ontology 19883
    chemical entity 19883
      atom 19881
        nonmetal atom 19760
          nitrogen atom 18646
            nitrogen molecular entity 18646
              organonitrogen compound 18422
                amino acid derivative 10963
                  tryptophan derivative 6
                    5-bromotryptophan 0
Path 2
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  CHEBI ontology 19883
    subatomic particle 19881
      composite particle 19881
        hadron 19881
          baryon 19881
            nucleon 19881
              atomic nucleus 19881
                atom 19881
                  main group element atom 19771
                    p-block element atom 19771
                      carbon group element atom 19679
                        carbon atom 19668
                          organic molecular entity 19668
                            organic group 18580
                              organic divalent group 18571
                                organodiyl group 18571
                                  carbonyl group 18479
                                    carbonyl compound 18479
                                      carboxylic acid 18153
                                        amino acid 14125
                                          non-proteinogenic amino acid 1801
                                            haloamino acid 395
                                              bromoamino acid 0
                                                5-bromotryptophan 0
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