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The S1 split signal of photosystem II; a tyrosine-manganese coupled interaction

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]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Biochimica et Biophysica Acta: Bioenergetics
DOI: 10.1016/j.bbabio.2009.03.023


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