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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

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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 4:147,744,673...147,756,462
Ensembl chr 4:147,746,186...147,756,294
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 7:27,194,000...27,213,676
Ensembl chr 7:27,193,998...27,214,236
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19841
    role 19792
      biological role 19792
        aetiopathogenetic role 18974
          genotoxin 16996
            mutagen 16807
              3,N(4)-ethenocytosine 2
Path 2
Term Annotations click to browse term
  CHEBI ontology 19841
    subatomic particle 19839
      composite particle 19839
        hadron 19839
          baryon 19839
            nucleon 19839
              atomic nucleus 19839
                atom 19839
                  main group element atom 19732
                    main group molecular entity 19732
                      s-block molecular entity 19481
                        hydrogen molecular entity 19473
                          hydrides 18745
                            inorganic hydride 17483
                              pnictogen hydride 17456
                                nitrogen hydride 17300
                                  azane 17016
                                    ammonia 17015
                                      organic amino compound 17014
                                        aromatic amine 13671
                                          aminopyrimidine 1283
                                            cytosine 1119
                                              3,N(4)-ethenocytosine 2
paths to the root