Cox, Nicholas; Ho, Felix; Pewnim, Naray; Steffen, Ronald; Smith, Paul; Havelius, Kajsa G V; Hughes, Joseph; Debono, Lesley; Styring, Stenbjorn; Krausz, Elmars; Pace, Ronald
Detailed optical and EPR analyses of states induced in dark-adapted PS II membranes by cryogenic illumination permit characterization and quantification of all pigment derived donors and acceptors, as well as optically silent (in the visible, near infrared) species which are EPR active. Near complete turnover formation of QA- is seen in all centers, but with variable efficiency, depending on the donor species. In minimally detergent-exposed PS II membranes, negligible (< 5%) oxidation of...[Show more]
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