Submit Data |  Help |  Video Tutorials |  News |  Publications |  FTP Download |  REST API |  Citing RGD |  Contact   


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.

go back to main search page
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

show annotations for term's descendants           Sort by:
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 8:62,451,360...62,458,244
Ensembl chr 8:62,451,329...62,458,301
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 1:147,713,879...147,814,410
Ensembl chr 1:147,713,892...147,888,007
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19785
    role 19732
      biological role 19732
        biochemical role 19281
          metabolite 19262
            eukaryotic metabolite 18906
              plant metabolite 17359
                okanin 2
Path 2
Term Annotations click to browse term
  CHEBI ontology 19785
    subatomic particle 19782
      composite particle 19782
        hadron 19782
          baryon 19782
            nucleon 19782
              atomic nucleus 19782
                atom 19782
                  main group element atom 19670
                    p-block element atom 19670
                      carbon group element atom 19572
                        carbon atom 19561
                          organic molecular entity 19561
                            organic group 18493
                              organic divalent group 18486
                                organodiyl group 18486
                                  carbonyl group 18389
                                    carbonyl compound 18389
                                      ketone 16140
                                        alpha,beta-unsaturated ketone 8519
                                          enone 8519
                                            chalcones 147
                                              chalcone 102
                                                trans-chalcone 102
                                                  okanin 2
paths to the root


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.