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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:36552 term browser browse the term
Definition:A sesterterpene that has formula C25H46.
Synonyms:related_synonym: Formula=C25H46;   InChI=1S/C25H46/c1-17(2)8-7-9-18(3)22-14-15-25(6)16-23-20(5)10-12-21(23)19(4)11-13-24(22)25/h17-24H,7-16H2,1-6H3/t18-,19-,20-,21+,22+,23+,24-,25+/m0/s1;   InChIKey=YDDRLCGKYATUCE-UTBISNFYSA-N;   SMILES=[H][C@]12CC[C@H](C)[C@@]1([H])C[C@@]1(C)CC[C@]([H])([C@@H](C)CCCC(C)C)[C@]1([H])CC[C@@H]2C
 xref: Beilstein:2967257

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ophiobolin A term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Abcb1a ATP binding cassette subfamily B member 1A multiple interactions ISO ophiobolin A inhibits the reaction [ABCB1 protein results in increased uptake of Digoxin] CTD PMID:16904803 NCBI chr 4:22,339,829...22,517,642
Ensembl chr 4:22,133,521...22,425,515
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19853
    chemical entity 19853
      atom 19851
        nonmetal atom 19733
          carbon atom 19639
            organic molecular entity 19639
              organic fundamental parent 18302
                natural product fundamental parent 13104
                  terpenoid fundamental parent 3498
                    ophiobolane 1
                      ophiobolin A 1
Path 2
Term Annotations click to browse term
  CHEBI ontology 19853
    subatomic particle 19851
      composite particle 19851
        hadron 19851
          baryon 19851
            nucleon 19851
              atomic nucleus 19851
                atom 19851
                  main group element atom 19744
                    main group molecular entity 19744
                      s-block molecular entity 19491
                        hydrogen molecular entity 19483
                          hydrides 18748
                            organic hydride 18302
                              organic fundamental parent 18302
                                hydrocarbon 18030
                                  terpene 10277
                                    sesterterpene 18
                                      ophiobolane 1
                                        ophiobolin A 1
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