Kinetics and Mechanism of Electron Transfer in Intact Photosystem II and in the Isolated Reaction Center: Pheophytin Is the Primary Electron Acceptor

The mechanism and kinetics of electron transfer in isolated D1/$D2-cyt_{b559}$photosystem (PS) II reaction centers (RCs) and in intact PSII cores have been studied by femtosecond transient absorption and kinetic compartment modeling. For intact PSII, a component of ≈1.5 ps reflects the dominant ener...

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