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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:7734 term browser browse the term
Definition:A member of the class of chalcones that is trans-chalcone substituted by hydroxy groups at positions 3, 4, 2', 3', and 4' respectively.
Synonyms:exact_synonym: (2E)-3-(3,4-dihydroxyphenyl)-1-(2,3,4-trihydroxyphenyl)prop-2-en-1-one
 related_synonym: 3,4,2',3',4'-pentahydroxy-trans-chalcone;   Formula=C15H12O6;   InChI=1S/C15H12O6/c16-10(9-3-6-12(18)15(21)14(9)20)4-1-8-2-5-11(17)13(19)7-8/h1-7,17-21H/b4-1+;   InChIKey=GSBNFGRTUCCBTK-DAFODLJHSA-N;   SMILES=Oc1ccc(\\C=C\\C(=O)c2ccc(O)c(O)c2O)cc1O
 xref: CAS:484-76-4;   KEGG:C08724;   KNApSAcK:C00006969;   LIPID_MAPS_instance:LMPK12120181
 xref_mesh: MESH:C550307
 xref: PMID:20047272;   PMID:22247601;   Reaxys:2295748;   Wikipedia:Okanin

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okanin term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Cyp1a2 cytochrome P450, family 1, subfamily a, polypeptide 2 decreases activity ISO okanin results in decreased activity of CYP1A2 protein CTD PMID:29753067 NCBI chr 8:58,075,367...58,082,255
Ensembl chr 8:58,075,367...58,082,312
JBrowse link
G Cyp2c6v1 cytochrome P450, family 2, subfamily C, polypeptide 6, variant 1 decreases activity ISO okanin results in decreased activity of CYP2C19 protein CTD PMID:29753067 NCBI chr 1:237,938,521...237,976,238
Ensembl chr 1:237,693,094...238,057,596
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19821
    role 19769
      biological role 19769
        biochemical role 19389
          metabolite 19364
            eukaryotic metabolite 19052
              plant metabolite 17458
                okanin 2
Path 2
Term Annotations click to browse term
  CHEBI ontology 19821
    subatomic particle 19819
      composite particle 19819
        hadron 19819
          baryon 19819
            nucleon 19819
              atomic nucleus 19819
                atom 19819
                  main group element atom 19716
                    p-block element atom 19716
                      carbon group element atom 19640
                        carbon atom 19630
                          organic molecular entity 19630
                            organic group 18737
                              organic divalent group 18728
                                organodiyl group 18728
                                  carbonyl group 18675
                                    carbonyl compound 18675
                                      ketone 16923
                                        alpha,beta-unsaturated ketone 9266
                                          enone 9266
                                            chalcones 902
                                              chalcone 103
                                                trans-chalcone 103
                                                  okanin 2
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