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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 4142 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 19823
        chemical entity 19823
          molecular entity 19821
            inorganic molecular entity 19520
              inorganic ion 15943
                lead ion 4142
                  lead cation + 4142
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19823
        subatomic particle 19821
          composite particle 19821
            hadron 19821
              baryon 19821
                nucleon 19821
                  atomic nucleus 19821
                    atom 19821
                      main group element atom 19720
                        main group molecular entity 19720
                          p-block molecular entity 19720
                            carbon group molecular entity 19643
                              lead molecular entity 4277
                                elemental lead 4142
                                  lead ion 4142
                                    lead cation + 4142
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