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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:17619 term browser browse the term
Definition:A L-tryptophan derivative that has formula C16H20N2O2.
Synonyms:exact_synonym: 4-(3-methylbut-2-en-1-yl)-L-tryptophan
 related_synonym: Formula=C16H20N2O2;   InChI=1S/C16H20N2O2/c1-10(2)6-7-11-4-3-5-14-15(11)12(9-18-14)8-13(17)16(19)20/h3-6,9,13,18H,7-8,17H2,1-2H3,(H,19,20)/t13-/m0/s1;   InChIKey=MZSPRSJAOSKAAT-ZDUSSCGKSA-N;   SMILES=CC(C)=CCc1cccc2[nH]cc(C[C@H](N)C(O)=O)c12
 alt_id: CHEBI:11933;   CHEBI:1766;   CHEBI:20288
 xref: KEGG:C04290
 cyclic_relationship: is_tautomer_of CHEBI:58209

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Path 1
Term Annotations click to browse term
  CHEBI ontology 24359
    role 24266
      application 23758
        pharmaceutical 23317
          drug 23317
            nutraceutical 13108
              L-tryptophan 7
                L-tryptophan derivative 3
                  4-(3-methylbut-2-enyl)-L-tryptophan 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 24359
    subatomic particle 24315
      composite particle 24315
        hadron 24315
          baryon 24315
            nucleon 24315
              atomic nucleus 24315
                atom 24315
                  main group element atom 24160
                    p-block element atom 24160
                      carbon group element atom 23936
                        carbon atom 23892
                          organic molecular entity 23892
                            organic group 22174
                              organic divalent group 22148
                                organodiyl group 22148
                                  carbonyl group 22127
                                    carbonyl compound 22127
                                      carboxylic acid 21157
                                        amino acid 14790
                                          alpha-amino acid 11890
                                            L-alpha-amino acid 11712
                                              erythrose 4-phosphate/phosphoenolpyruvate family amino acid 2301
                                                L-tryptophan 7
                                                  L-tryptophan derivative 3
                                                    4-(3-methylbut-2-enyl)-L-tryptophan 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.