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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:46252 term browser browse the term
Definition:An aminouracil in which the ring hydrogens at positions 5 and 6 on uracil have been replaced by amino groups.
Synonyms:exact_synonym: 5,6-diaminopyrimidine-2,4(1H,3H)-dione
 related_synonym: 5,6-Diamino-2,4-dihydroxypyrimidine;   5,6-diaminopyrimidine-2,4-dione;   Formula=C4H6N4O2;   InChI=1S/C4H6N4O2/c5-1-2(6)7-4(10)8-3(1)9/h5H2,(H4,6,7,8,9,10);   InChIKey=BBTNLADSUVOPPN-UHFFFAOYSA-N;   SMILES=C1(C(=C(NC(N1)=O)N)N)=O;   diaminouracil
 xref: CAS:3240-72-0;   PDBeChem:URN;   PMID:12779339;   PMID:15735331;   PMID:16782815;   PMID:22153940;   PMID:8496914;   Reaxys:132049

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19816
    role 19764
      application 19426
        pro-agent 8855
          prodrug 8621
            uracil 5648
              aminouracil 0
                5,6-diaminouracil 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19816
    subatomic particle 19814
      composite particle 19814
        hadron 19814
          baryon 19814
            nucleon 19814
              atomic nucleus 19814
                atom 19814
                  main group element atom 19702
                    p-block element atom 19702
                      carbon group element atom 19608
                        carbon atom 19597
                          organic molecular entity 19597
                            organic molecule 19522
                              organic cyclic compound 19320
                                organic heterocyclic compound 18432
                                  organic heteromonocyclic compound 16469
                                    diazines 12154
                                      pyrimidines 11972
                                        pyrimidine nucleobase 6094
                                          uracil 5648
                                            aminouracil 0
                                              5,6-diaminouracil 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.