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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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:protactinium atom
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Accession:CHEBI:33386 term browser browse the term
Definition:An actinoid atom that has formula Pa.
Synonyms:related_synonym: 91Pa;   Formula=Pa;   InChI=1S/Pa;   InChIKey=XLROVYAPLOFLNU-UHFFFAOYSA-N;   Pa;   SMILES=[Pa];   brevium;   protactinio;   protactinium;   protoactinium
 xref: CAS:7440-13-3;   WebElements:Pa



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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 918
    chemical entity 918
      atom 903
        metal atom 210
          transition element atom 170
            f-block element atom 0
              protactinium atom 0
                protactinium molecular entity 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 918
    subatomic particle 903
      composite particle 903
        hadron 903
          baryon 903
            nucleon 903
              atomic nucleus 903
                atom 903
                  metal atom 210
                    transition element atom 170
                      f-block element atom 0
                        actinoid atom 0
                          protactinium atom 0
                            protactinium molecular entity 0
paths to the root