Lecture 34. Electron transport chain

Monday 5 December 2016

Mechanisms by which the transmembrane proton gradient is generated: Proton pumping (vectorial protons) and the bacteriorhodpsin model. Redox loops and chemical (or scalar) protons. Complex III and the Q cycle. Reduction of molecular oxygen by Complex IV.

Reading: VVP4e - Ch.18, pp.593-603.

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Summary

Mechanisms by which the transmembrane proton gradient is generated: Proton pumping (vectorial protons) and the bacteriorhodpsin model. Redox loops and chemical (or scalar) protons. Complex III and the Q cycle. Reduction of molecular oxygen by Complex IV.