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Structural And Functional Study Of The Diheme Cytochrome C Subunit Of The Cytochrome Bc Complex In Heliobacterium Modesticaldum, Hair Yue
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This dissertation is focused on the structural and functional study of the unique diheme cytochrome c subunit of the cytochrome bc complex in H. modesticaldum, and its application in determining the stoichiometry between H. modesticaldum's cytochrome bc complex and its reaction center. Heliobacterium modesticaldum is a gram positive, anaerobic, anoxygenic photoheterotrophic bacterium. Its cytochrome bc complex (Rieske/cyt b complex) has some similarities to cytochrome b6f complexes from cyanobacteria and chloroplasts, and also shares some characteristics of typical bacterial cytochrome bc1 complexes. One of the unique features of the heliobacterial cytochrome bc complex is the presence of a diheme cytochrome c …