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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:18160 term browser browse the term
Definition:An ubiquinone that has formula C54H82O4.
Synonyms:exact_synonym: 2,3-dimethoxy-5-methyl-6-[(2E,6E,10E,14E,18E,22E,26E,30E)-3,7,11,15,19,23,27,31,35-nonamethylhexatriaconta-2,6,10,14,18,22,26,30,34-nonaen-1-yl]cyclohexa-2,5-diene-1,4-dione
 related_synonym: (all-E)-2,3-dimethoxy-5-methyl-6-(3,7,11,15,19,23,27,31,35-nonamethyl-2,6,10,14,18,22,26,30,34-hexatriacontanonaenyl)-2,5-cyclohexadiene-1,4-dione;   2,3-dimethoxy-5-methyl-6-[(2E,6E,10E,14E,18E,22E,26E,30E)-3,7,11,15,19,23,27,31,35-nonamethylhexatriaconta-2,6,10,14,18,22,26,30,34-nonaen-1-yl]-1,4-benzoquinone;   CoQ9;   Formula=C54H82O4;   InChI=1S/C54H82O4/c1-40(2)22-14-23-41(3)24-15-25-42(4)26-16-27-43(5)28-17-29-44(6)30-18-31-45(7)32-19-33-46(8)34-20-35-47(9)36-21-37-48(10)38-39-50-49(11)51(55)53(57-12)54(58-13)52(50)56/h22,24,26,28,30,32,34,36,38H,14-21,23,25,27,29,31,33,35,37,39H2,1-13H3/b41-24+,42-26+,43-28+,44-30+,45-32+,46-34+,47-36+,48-38+;   InChIKey=UUGXJSBPSRROMU-WJNLUYJISA-N;   SMILES=COC1=C(OC)C(=O)C(C\\C=C(/C)CC\\C=C(/C)CC\\C=C(/C)CC\\C=C(/C)CC\\C=C(/C)CC\\C=C(/C)CC\\C=C(/C)CC\\C=C(/C)CCC=C(C)C)=C(C)C1=O;   Ubiquinone-45;   coenzyme Q9
 alt_id: CHEBI:15280;   CHEBI:27185;   CHEBI:9855
 xref: Beilstein:1900081;   CAS:303-97-9;   KEGG:C01967;   KNApSAcK:C00007442;   LIPID_MAPS_instance:LMPR02010004
 xref_mesh: MESH:C030571
 xref: PMID:12853115

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ubiquinone-9 term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Kcnj6 potassium inwardly-rectifying channel, subfamily J, member 6 decreases abundance ISO KCNJ6 gene mutant form results in decreased abundance of ubiquinone 9 CTD PMID:15256069 NCBI chr11:34,061,705...34,309,128
Ensembl chr11:34,061,708...34,308,758
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Path 1
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  CHEBI ontology 19740
    role 19713
      chemical role 19356
        antioxidant 15686
          ubiquinone-9 1
Path 2
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  CHEBI ontology 19740
    subatomic particle 19738
      composite particle 19738
        hadron 19738
          baryon 19738
            nucleon 19738
              atomic nucleus 19738
                atom 19738
                  main group element atom 19686
                    p-block element atom 19686
                      carbon group element atom 19631
                        carbon atom 19627
                          organic molecular entity 19627
                            organic group 18846
                              organic divalent group 18832
                                organodiyl group 18832
                                  carbonyl group 18798
                                    carbonyl compound 18798
                                      ketone 17109
                                        cyclic ketone 15669
                                          quinone 8533
                                            benzoquinones 750
                                              1,4-benzoquinones 746
                                                monohydroxy-1,4-benzoquinones 87
                                                  2-hydroxy-5-methylquinone 81
                                                    2,3-dihydroxy-5-methyl-1,4-benzoquinone 81
                                                      ubiquinones 81
                                                        ubiquinone-9 1
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