A protein complex that transfers electrons from ubiquinol to cytochrome c and translocates two protons across a membrane. The complex contains a core structure of three catalytic subunits: cytochrome b, the Rieske iron sulfur protein (ISP), and cytochrome c1, which are arranged in an integral membrane-bound dimeric complex; additional subunits are present, and vary among different species. (Gene Ontology, GO_0045275)
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7 proteins localized to the respiratory chain complex iii cellular component from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset.