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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:purine nucleobase
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Accession:CHEBI:26386 term browser browse the term
Definition:A nucleobase whose skeleton is derived from purine.
Synonyms:related_synonym: Formula=C5H3N4R2;   SMILES=C1(NC(=NC=2NC=NC12)*)=*;   a purine nucleobase;   purine bases;   purine nucleobases
 xref: KEGG:C15587


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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 0
    chemical entity 0
      atom 0
        nonmetal atom 0
          nitrogen atom 0
            nitrogen molecular entity 0
              organonitrogen compound 0
                organonitrogen heterocyclic compound 0
                  nucleobase 0
                    purine nucleobase 0
                      adenine + 0
                      guanine + 0
                      hypoxanthine + 0
                      purine 2'-deoxyribonucleoside 5'-phosphate(2-) + 0
                      purines D-ribonucleoside + 0
                      xanthine + 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 0
    subatomic particle 0
      composite particle 0
        hadron 0
          baryon 0
            nucleon 0
              atomic nucleus 0
                atom 0
                  main group element atom 0
                    p-block element atom 0
                      carbon group element atom 0
                        carbon atom 0
                          organic molecular entity 0
                            organic molecule 0
                              organic cyclic compound 0
                                organic heterocyclic compound 0
                                  organic heteropolycyclic compound 0
                                    organic heterobicyclic compound 0
                                      imidazopyrimidine 0
                                        purines 0
                                          purine nucleobase 0
                                            adenine + 0
                                            guanine + 0
                                            hypoxanthine + 0
                                            purine 2'-deoxyribonucleoside 5'-phosphate(2-) + 0
                                            purines D-ribonucleoside + 0
                                            xanthine + 0
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