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The Native Reaction Centre of Photosystem II: A New Paradigm for P680

Hughes, Joseph; Prince, Barry; Peterson Arskold, Sindra; Smith, Paul; Pace, Ronald; Riesen, Hans; Krausz, Elmars


Low-temperature spectra of fully active (oxygen-evolving) Photosystem II (PSII) cores prepared from spinach exhibit well developed structure. Spectra of isolated sub-fragments of PSII cores establish that the native reaction centre is better structured and red-shifted compared to the isolated reaction centre. Laser illumination of PSII cores leads to efficient and deep spectral hole-burning. Measurements of homogeneous hole-widths establish excited-state lifetimes in the 40-300 ps range. The...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Australian Journal of Chemistry
DOI: 10.1071/CH04140


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