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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:15334 term browser browse the term
Definition:A N-methyl-L-alpha-amino acid that is the N(alpha)-methyl derivative of L-tryptophan.
Synonyms:exact_synonym: (2S)-3-(1H-indol-3-yl)-2-(methylamino)propanoic acid
 related_synonym: Abrine;   Formula=C12H14N2O2;   InChI=1S/C12H14N2O2/c1-13-11(12(15)16)6-8-7-14-10-5-3-2-4-9(8)10/h2-5,7,11,13-14H,6H2,1H3,(H,15,16)/t11-/m0/s1;   InChIKey=CZCIKBSVHDNIDH-NSHDSACASA-N;   L-Abrine;   N-methyl-L-tryptophan;   SMILES=C1(=CNC2=C1C=CC=C2)C[C@@H](C(=O)O)NC
 alt_id: CHEBI:13058;   CHEBI:21207;   CHEBI:6166
 xref: CAS:526-31-8;   KEGG:C02983;   KNApSAcK:C00001331;   PDBeChem:E9M
 cyclic_relationship: is_tautomer_of CHEBI:57283

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19792
    role 19738
      application 19385
        pharmaceutical 19255
          drug 19255
            nutraceutical 12622
              L-tryptophan 7
                L-tryptophan derivative 3
                  N(alpha)-methyl-L-tryptophan 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19792
    subatomic particle 19788
      composite particle 19788
        hadron 19788
          baryon 19788
            nucleon 19788
              atomic nucleus 19788
                atom 19788
                  main group element atom 19675
                    p-block element atom 19675
                      carbon group element atom 19571
                        carbon atom 19560
                          organic molecular entity 19560
                            organic group 18508
                              organic divalent group 18501
                                organodiyl group 18501
                                  carbonyl group 18404
                                    carbonyl compound 18404
                                      carboxylic acid 18079
                                        amino acid 14080
                                          alpha-amino acid 11547
                                            L-alpha-amino acid 11381
                                              erythrose 4-phosphate/phosphoenolpyruvate family amino acid 2230
                                                L-tryptophan 7
                                                  L-tryptophan derivative 3
                                                    N(alpha)-methyl-L-tryptophan 0
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