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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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Your selection has 4382 annotated objects. The maximum number of objects that can be shown is 2000. The list is too large to display.

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  • Term paths to the root
    Path 1
    Term Annotations click to browse term
      CHEBI ontology 19821
        chemical entity 19821
          atom 19819
            nonmetal atom 19707
              nitrogen atom 18765
                nitrogen molecular entity 18765
                  organonitrogen compound 18538
                    organonitrogen heterocyclic compound 17643
                      nucleobase 10285
                        purine nucleobase 4382
                          adenine + 798
                          guanine + 3995
                          hypoxanthine + 19
                          purine 2'-deoxyribonucleoside 5'-phosphate(2-) + 0
                          purines D-ribonucleoside + 358
                          xanthine + 3905
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19821
        subatomic particle 19819
          composite particle 19819
            hadron 19819
              baryon 19819
                nucleon 19819
                  atomic nucleus 19819
                    atom 19819
                      main group element atom 19716
                        p-block element atom 19716
                          carbon group element atom 19640
                            carbon atom 19630
                              organic molecular entity 19630
                                organic molecule 19569
                                  organic cyclic compound 19360
                                    organic heterocyclic compound 18591
                                      organic heteropolycyclic compound 18064
                                        organic heterobicyclic compound 16868
                                          imidazopyrimidine 5610
                                            purines 5608
                                              purine nucleobase 4382
                                                adenine + 798
                                                guanine + 3995
                                                hypoxanthine + 19
                                                purine 2'-deoxyribonucleoside 5'-phosphate(2-) + 0
                                                purines D-ribonucleoside + 358
                                                xanthine + 3905
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