P700
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P700, or photosystem I primary donor, is a molecular dimer of chlorophyll a associated with the reaction center of photosystem I in plants, algae, and cyanobacteria.
P700, or photosystem I primary donor, is a molecular dimer of chlorophyll a associated with the reaction center of photosystem I in plants, algae, and cyanobacteria. Photosystem I produces NADPH, the reduced form of NADP (Fd 2- red + NADH + 2 NADP + + H + = Fd ox + NAD + + 2 NADPH), at the end of the photosynthetic reaction through electron transfer, and provides energy to a proton pump and eventually ATP, for instance in cyclic electron transport.
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