Photosynthesis involves several important protein complexes. To emphasize the actions surrounding these complexes, the Advanced Look section has been divided according to the order in which the proteins are engaged.

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The structure responsible for O2 creation transfers electrons from water. More detail...		The second complex in the chain pumps protons as it transfers electrons. More detail...		Here electrons are re-energized and transported to FNR to produce NADPH. More detail...		This complex uses the proton gradient maintained by the photosynthetic ETC to synthesize ATP. More detail...