Bacteriochlorophyll excited-state quenching pathways in bacterial reaction centers with the primary donor oxidized.

Abstract excerpt

One striking feature of bacterial reaction centers is that while they show a high degree of structural symmetry, function is entirely asymmetric: excitation of the primary electron donor, P, a bacteriochlorophyll (BChl) dimer, results almost exclusively in electron transfer along one of the two symmetric electron transfer pathways. Here another functional asymmetry of the reaction center is explored; i.e., the...

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