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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:24870 term browser browse the term
Definition:A molecular entity having a net electric charge.
Synonyms:related_synonym: Ionen;   iones;   ions

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19816
    chemical entity 19816
      molecular entity 19814
        ion 15935
          anion + 14944
          cation + 15770
          inorganic ion + 15711
          monoatomic ion + 15176
          organic ion + 8327
          polyatomic ion + 12237
          radical ion + 94
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.