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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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  CHEBI ontology 19821
    role 19769
      chemical role 19345
        antioxidant 14443
          ubiquinone-9 1
Path 2
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  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
                                        cyclic ketone 15391
                                          quinone 8379
                                            benzoquinones 736
                                              1,4-benzoquinones 731
                                                monohydroxy-1,4-benzoquinones 78
                                                  2-hydroxy-5-methylquinone 72
                                                    2,3-dihydroxy-5-methyl-1,4-benzoquinone 72
                                                      ubiquinones 72
                                                        ubiquinone-9 1
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