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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:327995 term browser browse the term
Definition:An ammonium ion that is the conjugate acid of tyramine; major species at pH 7.3.
Synonyms:exact_synonym: 2-(4-hydroxyphenyl)ethanaminium
 related_synonym: Formula=C8H12NO;   InChI=1S/C8H11NO/c9-6-5-7-1-3-8(10)4-2-7/h1-4,10H,5-6,9H2/p+1;   InChIKey=DZGWFCGJZKJUFP-UHFFFAOYSA-O;   SMILES=[NH3+]CCc1ccc(O)cc1;   tyramine;   tyraminium cation;   tyraminium(1+)
 xref: MetaCyc:TYRAMINE
 cyclic_relationship: is_conjugate_acid_of CHEBI:15760

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19911
    role 19887
      biological role 19885
        molecular messenger 18687
          monoamine molecular messenger 610
            tyraminium 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19911
    subatomic particle 19909
      composite particle 19909
        hadron 19909
          baryon 19909
            nucleon 19909
              atomic nucleus 19909
                atom 19909
                  main group element atom 19859
                    main group molecular entity 19859
                      s-block molecular entity 19692
                        hydrogen molecular entity 19678
                          hydrides 19156
                            inorganic hydride 18129
                              pnictogen hydride 18118
                                nitrogen hydride 18021
                                  azane 17822
                                    ammonia 17821
                                      organic amino compound 17821
                                        aralkylamino compound 1011
                                          monoamine 610
                                            monoamine molecular messenger 610
                                              tyraminium 0
paths to the root