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Literature summary for 7.1.1.8 extracted from

  • Covian, R.; Trumpower, B.L.
    Regulatory interactions between ubiquinol oxidation and ubiquinone reduction sites in the dimeric cytochrome bc1 complex (2006), J. Biol. Chem., 281, 30925-30932.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
antimycin A binds to center N sites, irreversible conformational change occurrs upon SQ formation in the active monomer Saccharomyces cerevisiae
menaquinol
-
Saccharomyces cerevisiae
Myxothiazol
-
Saccharomyces cerevisiae
Stigmatellin binds to center P sites Saccharomyces cerevisiae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information kinetic modeling Saccharomyces cerevisiae

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ubiquinol + ferricytochrome c Saccharomyces cerevisiae
-
ubiquinone + ferrocytochrome c
-
?

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
Red Star cake yeast
-

Reaction

Reaction Comment Organism Reaction ID
quinol + 2 ferricytochrome c = quinone + 2 ferrocytochrome c + 2 H+[side 2] reaction mechanism, kinetic modeling Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
decylubiquinol + ferricytochrome c horse heart cytochrome c, half of the center N sites was insensitive to decylubiquinol Saccharomyces cerevisiae decylubiquinone + ferrocytochrome c
-
?
additional information model of half-of-the-sites activity in the dimeric cytochrome bc1 complex, overview Saccharomyces cerevisiae ?
-
?
ubiquinol + ferricytochrome c
-
Saccharomyces cerevisiae ubiquinone + ferrocytochrome c
-
?

Subunits

Subunits Comment Organism
dimer dimeric cytochrome bc1 complex, structure overview Saccharomyces cerevisiae

Synonyms

Synonyms Comment Organism
cytochrome bc1 complex
-
Saccharomyces cerevisiae

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
20
-
assay at Saccharomyces cerevisiae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
assay at Saccharomyces cerevisiae

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
additional information
-
additional information inhibition kinetics Saccharomyces cerevisiae