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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:topopyrone A
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Accession:CHEBI:66252 term browser browse the term
Definition:A naphthochromene that is 4H-naphtho[2,3-h]chromene-4,7,12-trione substituted by a chloro group at position 10, hydroxy groups at positions 5, 9 and 11 and a methyl group at position 2. It is isolated from a fungal strain Phoma sp.BAUA2861 and acts as an inhibitor of the enzyme topoisomerase I.
Synonyms:exact_synonym: 10-chloro-5,9,11-trihydroxy-2-methyl-4H-naphtho[2,3-h]chromene-4,7,12-trione
 related_synonym: Formula=C18H9ClO7;   InChI=1S/C18H9ClO7/c1-5-2-8(20)13-9(21)3-7-12(18(13)26-5)16(24)11-6(15(7)23)4-10(22)14(19)17(11)25/h2-4,21-22,25H,1H3;   InChIKey=KUCMIJRMIDNZCP-UHFFFAOYSA-N;   SMILES=Cc1cc(=O)c2c(O)cc3C(=O)c4cc(O)c(Cl)c(O)c4C(=O)c3c2o1
 xref: PMID:11099218;   PMID:11099219;   PMID:19097800;   PMID:22462811;   Reaxys:8730620


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Path 1
Term Annotations click to browse term
  CHEBI ontology 19811
    role 19818
      biological role 19785
        antimicrobial agent 18104
          topopyrone A 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19811
    subatomic particle 19809
      composite particle 19809
        hadron 19840
          baryon 19809
            nucleon 19809
              atomic nucleus 19809
                atom 19809
                  main group element atom 19759
                    p-block element atom 19759
                      carbon group element atom 19708
                        carbon atom 19734
                          organic molecular entity 19705
                            heteroorganic entity 19459
                              organochalcogen compound 19222
                                organooxygen compound 19137
                                  carbonyl compound 18858
                                    ketone 17163
                                      cyclic ketone 15681
                                        quinone 8644
                                          p-quinones 8557
                                            topopyrone A 0
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