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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:nickel atom
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Accession:CHEBI:28112 term browser browse the term
Definition:Chemical element (nickel group element atom) with atomic number 28.
Synonyms:related_synonym: 28Ni;   Formula=Ni;   InChI=1S/Ni;   InChIKey=PXHVJJICTQNCMI-UHFFFAOYSA-N;   Ni;   Nickel;   Raney alloy;   SMILES=[Ni];   niccolum;   niquel
 alt_id: CHEBI:25515;   CHEBI:7552
 xref: CAS:7440-02-0;   Gmelin:16229;   KEGG:C00291
 xref_mesh: MESH:D009532
 xref: PMID:12756270;   PMID:14634084;   PMID:14734778;   PMID:15165199;   PMID:19828094;   PMID:20477134;   PMID:22762130;   PMID:23142754;   PMID:23317102;   PMID:23692032;   PMID:23692035;   PMID:23723488;   PMID:23834453;   PMID:23857010;   PMID:23895079;   PMID:23909687;   PMID:9060994;   PMID:9886425;   Reaxys:4122946;   WebElements:Ni;   Wikipedia:Nickel

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19875
    role 19825
      biological role 19825
        epitope 6846
          nickel atom 4509
            nickel molecular entity + 1099
Path 2
Term Annotations click to browse term
  CHEBI ontology 19875
    subatomic particle 19873
      composite particle 19873
        hadron 19873
          baryon 19873
            nucleon 19873
              atomic nucleus 19873
                atom 19873
                  metal atom 17312
                    transition element atom 16772
                      d-block element atom 16763
                        nickel group element atom 10180
                          nickel atom 4509
                            nickel molecular entity + 1099
paths to the root