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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:84296 term browser browse the term
Definition:An L-tyrosine derivative that is L-DOPA in which the hydrogen at position 2 on the phenyl ring is replaced by a cysteinyl group. Found in the urine of patients with melanoma.
Synonyms:exact_synonym: 2-{[(2R)-2-amino-2-carboxyethyl]sulfanyl}-3-hydroxy-L-tyrosine
 related_synonym: 2-S-Cysteinyldopa;   2-S-cysteinyl-3,4-dihydroxyphenylalanine;   Formula=C12H16N2O6S;   InChI=1S/C12H16N2O6S/c13-6(11(17)18)3-5-1-2-8(15)9(16)10(5)21-4-7(14)12(19)20/h1-2,6-7,15-16H,3-4,13-14H2,(H,17,18)(H,19,20)/t6-,7-/m0/s1;   InChIKey=IAGPESOLVJAEAG-BQBZGAKWSA-N;   SMILES=N[C@@H](CSc1c(C[C@H](N)C(O)=O)ccc(O)c1O)C(O)=O
 xref: CAS:25565-17-7;   PMID:2438872;   PMID:403909;   PMID:408183;   PMID:6409012;   PMID:6784771;   PMID:891724;   Reaxys:2179160

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19810
    role 19758
      biological role 19758
        hapten 3013
          L-dopa 0
            2-S-cysteinyl-DOPA 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19810
    subatomic particle 19808
      composite particle 19808
        hadron 19808
          baryon 19808
            nucleon 19808
              atomic nucleus 19808
                atom 19808
                  main group element atom 19696
                    main group molecular entity 19696
                      s-block molecular entity 19456
                        hydrogen molecular entity 19447
                          hydrides 18703
                            organic hydride 18265
                              organic fundamental parent 18265
                                hydrocarbon 17986
                                  cyclic hydrocarbon 17073
                                    monocyclic hydrocarbon 5769
                                      annulene 5595
                                        aromatic annulene 5595
                                          benzene 5595
                                            alkylbenzene 3346
                                              methylbenzene 3209
                                                toluene 3072
                                                  benzyl group 2482
                                                    phenylalanine 2482
                                                      phenylalanine derivative 2474
                                                        tyrosine derivative 400
                                                          L-tyrosine derivative 6
                                                            L-dopa 0
                                                              2-S-cysteinyl-DOPA 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.