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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 chr11:34,061,702...34,308,758
Ensembl chr11:34,061,708...34,308,758
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  CHEBI ontology 19831
    role 19807
      chemical role 19442
        antioxidant 16141
          ubiquinone-9 1
Path 2
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  CHEBI ontology 19831
    subatomic particle 19829
      composite particle 19829
        hadron 19829
          baryon 19829
            nucleon 19829
              atomic nucleus 19829
                atom 19829
                  main group element atom 19779
                    p-block element atom 19779
                      carbon group element atom 19728
                        carbon atom 19724
                          organic molecular entity 19724
                            heteroorganic entity 19477
                              organochalcogen compound 19240
                                organooxygen compound 19155
                                  carbonyl compound 18874
                                    ketone 17181
                                      cyclic ketone 15697
                                        quinone 8647
                                          benzoquinones 784
                                            1,4-benzoquinones 780
                                              monohydroxy-1,4-benzoquinones 108
                                                2-hydroxy-5-methylquinone 102
                                                  2,3-dihydroxy-5-methyl-1,4-benzoquinone 102
                                                    ubiquinones 102
                                                      ubiquinone-9 1
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