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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.

Term:lead ion
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Accession:CHEBI:60249 term browser browse the term
Definition:A lead atom having a net electric charge.

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Your selection has 4330 annotated objects. The maximum number of objects that can be shown is 2000. The list is too large to display.

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    Path 1
    Term Annotations click to browse term
      CHEBI ontology 19812
        chemical entity 19810
          molecular entity 19810
            inorganic molecular entity 19617
              inorganic ion 16305
                lead ion 4330
                  lead cation + 4330
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19812
        subatomic particle 19810
          composite particle 19810
            hadron 19810
              baryon 19810
                nucleon 19810
                  atomic nucleus 19810
                    atom 19810
                      main group element atom 19755
                        main group molecular entity 19755
                          p-block molecular entity 19755
                            carbon group molecular entity 19698
                              lead molecular entity 4467
                                elemental lead 4330
                                  lead ion 4330
                                    lead cation + 4330
    paths to the root