A protein complex located in the mitochondrial inner membrane that forms part of the mitochondrial respiratory chain. Contains about 10 polypeptide subunits including four redox centers: cytochrome b/b6, cytochrome c1 and an 2Fe-2S cluster. Catalyzes the oxidation of ubiquinol by oxidized cytochrome c1. (Gene Ontology, GO_0005750)
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7 proteins localized to the mitochondrial respiratory chain complex iii cellular component from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset.