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Supercomplexes in the respiratory chain of mitochondria
Mikulová, Tereza ; Holzerová, Kristýna (referee) ; Houštěk, Josef (advisor)
Mitochondria are very important organelles of eukaryotic cell. In mitochondria, there are located many metabolic reactions including oxidative phosphorylation (OXPHOS). In this process, respiratory chain enzyme complexes couple the oxidation of NADH and FADH2 to vectorial proton transport across the inner mitochondrial membrane. ATP synthase then uses the resulting electrochemical potential to synthesize ATP from ADP and phosphate. Recent studies of the OXPHOS demonstrate higher structures of complexes so-called supercomplexes which facilitate substrate channeling. Formation of supercomplexes plays a role in the assembly and stability of the complexes, suggesting that the supercomplexes are the functional state of the respiratory chain.

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