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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 19905
        role 19881
          biological role 19879
            biochemical role 19577
              cofactor 16185
                ammonium 8316
                  ammonium ion derivative + 8311
                  ammonium salt + 4923
                  amobam 0
                  azaniumyl group + 0
                  ferric ammonium citrate 64
                  quaternary ammonium ion + 5273
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19905
        subatomic particle 19903
          composite particle 19903
            hadron 19903
              baryon 19903
                nucleon 19903
                  atomic nucleus 19903
                    atom 19903
                      main group element atom 19853
                        main group molecular entity 19853
                          s-block molecular entity 19685
                            hydrogen molecular entity 19671
                              hydrides 19149
                                inorganic hydride 18129
                                  pnictogen hydride 18118
                                    nitrogen hydride 18021
                                      ammonium 8316
                                        ammonium ion derivative + 8311
                                        ammonium salt + 4923
                                        amobam 0
                                        azaniumyl group + 0
                                        ferric ammonium citrate 64
                                        quaternary ammonium ion + 5273
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