EPJ Web of Conferences
Volume 41, 2013XVIIIth International Conference on Ultrafast Phenomena
|Number of page(s)||3|
|Section||Molecular Light Harvesting and Charge-Transfer Complexes|
|Published online||13 March 2013|
Comparing the photophysics of the two forms of the Orange Carotenoid Protein using 2D electronic spectroscopy
1 Applied Science and Technology Graduate Group, University of California, Berkeley, 94720 Berkeley, California USA
2 Department of Chemistry, University of California, Berkeley, 94720 Berkeley, California USA
3 Physical Bioscience Division, Lawrence Berkeley National Laboratories, 94720 Berkeley, California USA
Broadband two-dimensional electronic spectroscopy is applied to investigate the photophysics of the photoactive orange carotenoid protein, which is involved in nonphotochemical quenching in cyanobacteria. Differences in dynamics between the light and dark forms arise from the different structure of the carotenoid in the protein pocket, with consequences for the biological role of the two forms.
© Owned by the authors, published by EDP Sciences, 2013
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