Respiratory Chain Complex I and III - Current Over Mitochondrial Membrane

  SURFE²R N1 data and applications:

In the respiratory chain Complex I and III, oxidation of NADH leads to transport of 4 protons across the membrane. The electrons are transferred to cytochrome c. Because of the electron leakage to oxygen, both complex are the main sites of production of harmful superoxide. In these experiments using the SURFE²R N1, application of 100µM NADH results in a current over the mitochondrial membrane, where Complex I and III are expressed.

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