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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:138932 term browser browse the term
Definition:An L-tryptophan derivative in which the indolyl ring nitrogen carries a nitroso substituent.
Synonyms:exact_synonym: (2S)-2-amino-3-(1-nitroso-1H-indol-3-yl)propanoic acid
 related_synonym: Formula=C11H11N3O3;   InChI=1S/C11H11N3O3/c12-9(11(15)16)5-7-6-14(13-17)10-4-2-1-3-8(7)10/h1-4,6,9H,5,12H2,(H,15,16)/t9-/m0/s1;   InChIKey=WBQJTPDOGLYTBE-VIFPVBQESA-N;   NO-L-tryptophan;   NO-tryptophan;   SMILES=C1(=CN(C2=C1C=CC=C2)N=O)C[C@@H](C(=O)O)N
 xref: CAS:68807-89-6;   PMID:28600633

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Term Annotations click to browse term
  CHEBI ontology 19770
    role 19718
      application 19363
        pharmaceutical 19235
          drug 19235
            nutraceutical 12607
              L-tryptophan 7
                L-tryptophan derivative 3
                  1-nitroso-L-tryptophan 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19770
    subatomic particle 19768
      composite particle 19768
        hadron 19768
          baryon 19768
            nucleon 19768
              atomic nucleus 19768
                atom 19768
                  main group element atom 19655
                    p-block element atom 19655
                      carbon group element atom 19550
                        carbon atom 19539
                          organic molecular entity 19539
                            organic group 18488
                              organic divalent group 18481
                                organodiyl group 18481
                                  carbonyl group 18384
                                    carbonyl compound 18384
                                      carboxylic acid 18054
                                        amino acid 14055
                                          alpha-amino acid 11524
                                            L-alpha-amino acid 11359
                                              erythrose 4-phosphate/phosphoenolpyruvate family amino acid 2226
                                                L-tryptophan 7
                                                  L-tryptophan derivative 3
                                                    1-nitroso-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.