Morton, Jennifer; Akita, Fusamichi; Nakajima, Yoshiki; Shen, Jian-Ren; Krausz, Elmars
Visible/UV absorption in PS II core complexes is dominated by the chl-a absorptions, which extend to ~ 700 nm. A broad 700-730 nm PS II core complex absorption in spinach has been assigned  to a charge transfer excitation between ChlD1 and ChlD2. Emission from this state, which peaks at 780 nm, has been seen  for both plant and cyanobacterial samples. We show that Thermosynechococcus vulcanus PS II core complexes have parallel absorbance in the 700-730 nm region and similar photochemical...[Show more]
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