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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:33002 term browser browse the term
Definition:A vanadium cation that has formula V.
Synonyms:exact_synonym: vanadium(IV) cation
 related_synonym: Formula=V;   InChI=1S/V/q+4;   InChIKey=PSDQQCXQSWHCRN-UHFFFAOYSA-N;   SMILES=[V+4];   V(4+);   vanadium, ion(4+)
 xref: CAS:22541-76-0;   Gmelin:124486

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19751
    role 19724
      biological role 19722
        biochemical role 19443
          cofactor 16060
            vanadium cation 0
              vanadium(4+) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19751
    subatomic particle 19749
      composite particle 19749
        hadron 19749
          baryon 19749
            nucleon 19749
              atomic nucleus 19749
                atom 19749
                  metal atom 17564
                    transition element atom 16979
                      d-block element atom 16970
                        vanadium group element atom 431
                          vanadium group molecular entity 431
                            vanadium molecular entity 431
                              elemental vanadium 171
                                vanadium cation 0
                                  vanadium(4+) 0
paths to the root