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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:133066 term browser browse the term
Definition:A cysteine derivative in which the thiol hydrogen of cysteine is replaced by a 5-acetamido-2-hydroxyphenyl group.
Synonyms:related_synonym: 3-(cystein-S-yl)acetaminophen;   3-(cystein-S-yl)paracetamol;   Formula=C11H14N2O4S;   InChI=1S/C11H14N2O4S/c1-6(14)13-7-2-3-9(15)10(4-7)18-5-8(12)11(16)17/h2-4,8,15H,5,12H2,1H3,(H,13,14)(H,16,17);   InChIKey=LLHICPSCVFRWDT-UHFFFAOYSA-N;   SMILES=C=1(C=C(C=CC1O)NC(=O)C)SCC(C(O)=O)N;   acetaminophen cysteine conjugate;   cysteine S-acetaminophen conjugate;   cysteine S-paracetamol conjugate;   paracetamol cysteine conjugate
 xref: PMID:1992763;   PMID:2200409;   PMID:2385841;   PMID:2913271
 cyclic_relationship: is_tautomer_of CHEBI:133067

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19792
    role 19738
      biological role 19737
        xenobiotic 18406
          paracetamol 10691
            S-(5-acetamido-2-hydroxyphenyl)cysteine 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
                    main group molecular entity 19675
                      s-block molecular entity 19420
                        hydrogen molecular entity 19411
                          hydrides 18460
                            inorganic hydride 17430
                              pnictogen hydride 17402
                                nitrogen hydride 17245
                                  azane 16962
                                    ammonia 16961
                                      organic amino compound 16960
                                        aromatic amine 13634
                                          anilines 12340
                                            substituted aniline 11836
                                              aminophenol 10692
                                                4-aminophenol 10691
                                                  paracetamol 10691
                                                    S-(5-acetamido-2-hydroxyphenyl)cysteine 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.