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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.

Term:N-acetylmethionine sulfone
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Accession:CHEBI:88135 term browser browse the term
Definition:An N-acyl-L-alpha-amino acid that is N-acetylmethionine where the sulfur is oxidised to the corresponding sulfone.
Synonyms:exact_synonym: (2S)-2-acetamido-4-(methanesulfonyl)butanoic acid
 related_synonym: Formula=C7H13NO5S;   InChI=1S/C7H13NO5S/c1-5(9)8-6(7(10)11)3-4-14(2,12)13/h6H,3-4H2,1-2H3,(H,8,9)(H,10,11)/t6-/m0/s1;   InChIKey=IVORICMEPQUECP-LURJTMIESA-N;   N-acetyl-L-methionine sulfone;   SMILES=C(=O)([C@@H](NC(C)=O)CCS(C)(=O)=O)O
 cyclic_relationship: is_conjugate_acid_of CHEBI:87825

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19883
    role 19833
      application 19505
        food additive 14758
          food acidity regulator 11704
            acetic acid 10834
              N-acetyl-amino acid 914
                N-acetyl-L-amino acid 885
                  N-acetylmethionine sulfone 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19883
    subatomic particle 19881
      composite particle 19881
        hadron 19881
          baryon 19881
            nucleon 19881
              atomic nucleus 19881
                atom 19881
                  main group element atom 19771
                    p-block element atom 19771
                      carbon group element atom 19679
                        carbon atom 19668
                          organic molecular entity 19668
                            organic group 18580
                              organic divalent group 18571
                                organodiyl group 18571
                                  carbonyl group 18479
                                    carbonyl compound 18479
                                      carboxylic acid 18153
                                        monocarboxylic acid 17519
                                          fatty acid 16025
                                            short-chain fatty acid 15709
                                              fatty acid 4:0 7831
                                                butyric acid 6188
                                                  methionine 3437
                                                    L-methionine 3436
                                                      L-methionine derivative 0
                                                        N-acetylmethionine sulfone 0
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