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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:39390 term browser browse the term
Definition:A cysteine thioether that is the S-(4-hydroxy-2-methylbutan-2-yl) derivative of L-cysteine. It is a major component of the urine of the domestic cat.
Synonyms:exact_synonym: S-(4-hydroxy-2-methylbutan-2-yl)-L-cysteine
 related_synonym: (2R)-2-amino-3-[(4-hydroxy-2-methylbutan-2-yl)sulfanyl]propanoic acid;   Formula=C8H17NO3S;   InChI=1S/C8H17NO3S/c1-8(2,3-4-10)13-5-6(9)7(11)12/h6,10H,3-5,9H2,1-2H3,(H,11,12)/t6-/m0/s1;   InChIKey=IFERABFGYYJODC-LURJTMIESA-N;   S-(3-hydroxy-1,1-dimethylpropyl)-L-cysteine;   SMILES=CC(C)(CCO)SC[C@H](N)C(O)=O
 xref: Beilstein:2250979;   CAS:471-09-0;   PMID:13093671;   PMID:8587953;   PMID:8590373;   PMID:9811369;   Reaxys:2250979;   Wikipedia:Felinine
 cyclic_relationship: is_tautomer_of CHEBI:156141

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  CHEBI ontology 19761
    role 19711
      biological role 19711
        molecular messenger 18294
          semiochemical 10
            pheromone 10
              felinine 0
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  CHEBI ontology 19761
    subatomic particle 19759
      composite particle 19759
        hadron 19759
          baryon 19759
            nucleon 19759
              atomic nucleus 19759
                atom 19759
                  main group element atom 19653
                    p-block element atom 19653
                      carbon group element atom 19569
                        carbon atom 19559
                          organic molecular entity 19559
                            organic group 18593
                              organic divalent group 18584
                                organodiyl group 18584
                                  carbonyl group 18499
                                    carbonyl compound 18499
                                      carboxylic acid 18151
                                        amino acid 14107
                                          alpha-amino acid 11593
                                            L-alpha-amino acid 11428
                                              serine family amino acid 2061
                                                L-cysteine 1144
                                                  L-cysteine derivative 1134
                                                    S-substituted L-cysteine 148
                                                      L-cysteine thioether 66
                                                        felinine 0
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