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The proton-pumping NADH:ubiquinone oxidoreductase, also called complex I, is the first energy-transducing complex of many respiratory chains. Complex I of Escherichia coli can be split into three fragments. One of these fragments, the soluble NADH dehydrogenase fragment, represents the electron input part of complex I. It comprises the subunits NuoE, F and(More)
The proton-pumping NADH:ubiquinone oxidoreductase of Escherichia coli is composed of 14 different subunits and contains one FMN and up to nine iron-sulfur clusters as prosthetic groups. By use of salt treatment, the complex can be split into an NADH dehydrogenase fragment, a connecting fragment and a membrane fragment. The water-soluble NADH dehydrogenase(More)
The proton-pumping NADH:ubiquinone oxidoreductase, also called complex I, is the first energy-transducing complex of many respiratory chains. It couples the transfer of electrons from NADH to ubiquinone with the translocation of protons across the membrane. One FMN and up to nine iron-sulfur (FeS) clusters participate in the redox reaction. So far, complex(More)
Physical exercise is associated with a fall in serum insulin levels, whereas sulphonylurea administration increases insulin release. To date, the opposing effects of exercise and sulphonylurea administration have not been systematically studied in Type 2 diabetic patients, who are not infrequently treated with sulphonylureas. In this study nine patients(More)
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