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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:29147 term browser browse the term
Definition:An organic heterobicyclic compound that has formula C6H5N3O.
Synonyms:exact_synonym: imidazo[1,2-c]pyrimidin-5(6H)-one
 related_synonym: 3,N(4)-Ethanocytosine;   Formula=C6H5N3O;   InChI=1S/C6H5N3O/c10-6-8-2-1-5-7-3-4-9(5)6/h1-4H,(H,8,10);   InChIKey=GICKXGZWALFYHZ-UHFFFAOYSA-N;   SMILES=O=c1[nH]ccc2nccn12;   ethenocytosine
 xref: Beilstein:607434;   CAS:55662-66-3
 xref_mesh: MESH:C018289

show annotations for term's descendants           Sort by:
3,N(4)-ethenocytosine term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Mbd4 methyl-CpG binding domain 4 DNA glycosylase affects glycosylation ISO MBD4 protein affects the glycosylation of 3,N(4)-ethenocytosine CTD PMID:11056019 NCBI chr 4:148,893,049...148,904,833
Ensembl chr 4:148,894,280...148,904,982
JBrowse link
G Tdg thymine-DNA glycosylase increases metabolic processing ISO TDG protein results in increased metabolism of 3,N(4)-ethenocytosine CTD PMID:10626224 NCBI chr 7:21,077,853...21,097,617
Ensembl chr 7:21,077,853...21,097,567
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19795
    role 19746
      biological role 19746
        aetiopathogenetic role 19022
          genotoxin 17462
            mutagen 17364
              3,N(4)-ethenocytosine 2
Path 2
Term Annotations click to browse term
  CHEBI ontology 19795
    subatomic particle 19794
      composite particle 19794
        hadron 19794
          baryon 19794
            nucleon 19794
              atomic nucleus 19794
                atom 19794
                  main group element atom 19693
                    main group molecular entity 19693
                      s-block molecular entity 19474
                        hydrogen molecular entity 19466
                          hydrides 18830
                            inorganic hydride 17688
                              pnictogen hydride 17668
                                nitrogen hydride 17540
                                  azane 17273
                                    ammonia 17272
                                      organic amino compound 17272
                                        aromatic amine 13708
                                          aminopyrimidine 1600
                                            cytosine 1139
                                              3,N(4)-ethenocytosine 2
paths to the root