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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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:ammonium
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Accession:CHEBI:28938 term browser browse the term
Definition:An onium cation obtained by protonation of ammonia.
Synonyms:exact_synonym: azanium
 related_synonym: AMMONIUM ION;   Ammonium(1+);   Formula=H4N;   InChI=1S/H3N/h1H3/p+1;   InChIKey=QGZKDVFQNNGYKY-UHFFFAOYSA-O;   NH4+;   SMILES=[H][N+]([H])([H])[H];   ammonium cation
 alt_id: CHEBI:22534;   CHEBI:49783;   CHEBI:7435
 xref: CAS:14798-03-9;   Gmelin:84;   KEGG:C01342;   MetaCyc:AMMONIUM;   MolBase:929;   PDBeChem:NH4;   PMID:11319011;   PMID:11341317;   PMID:12096804;   PMID:14512268;   PMID:14879753;   PMID:16345391;   PMID:16903292;   PMID:17392693;   PMID:18515490;   PMID:19199063;   PMID:19596600;   PMID:19682559;   PMID:19716251;   PMID:21993530;   PMID:22265469;   PMID:22524020;   PMID:22562341;   PMID:22631217;   Reaxys:16093784;   Wikipedia:Ammonium
 cyclic_relationship: is_conjugate_acid_of CHEBI:16134



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  • Term paths to the root
    Path 1
    Term Annotations click to browse term
      CHEBI ontology 20039
        role 19990
          biological role 19989
            biochemical role 19612
              cofactor 15861
                ammonium 8241
                  ammonium ion derivative + 8237
                  ammonium salt + 4949
                  amobam 0
                  azaniumyl group + 0
                  ferric ammonium citrate 55
                  quaternary ammonium ion + 5117
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 20039
        subatomic particle 20037
          composite particle 20037
            hadron 20037
              baryon 20037
                nucleon 20037
                  atomic nucleus 20037
                    atom 20037
                      main group element atom 19938
                        main group molecular entity 19938
                          s-block molecular entity 19726
                            hydrogen molecular entity 19718
                              hydrides 19086
                                inorganic hydride 17892
                                  pnictogen hydride 17875
                                    nitrogen hydride 17766
                                      ammonium 8241
                                        ammonium ion derivative + 8237
                                        ammonium salt + 4949
                                        amobam 0
                                        azaniumyl group + 0
                                        ferric ammonium citrate 55
                                        quaternary ammonium ion + 5117
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