Circular dichroism (CD) study of peridinin[ndash ]chlorophyll a protein (PCP) complexes from marine dinoflagellate algae The tetramer approach
- 1 January 1998
- journal article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions
- Vol. 94 (2) , 227-232
- https://doi.org/10.1039/a705173e
Abstract
The absorption and circular dichroism spectra of PCP (peridinin–chlorophyll a protein) light-harvesting complexes from Glenodiniumsp. and Gonyaulaxpolyedra are studied in terms of vibronic coupling theory. Analysis based on a tetramer model allows the determination of the relative positions of peridinin molecules in the PCP complexes studied. The tetrameric arrangementof four peridinins around the chlorophyll a is suggested to favour the efficient transfer of energy from the peridinin to thechlorophyll. The simple arguments presented suggest that the energy transfer from peridin to chlorophyll might occur from theΨ1± states of the peridinin tetramer to the Bx, and By states of the chlorophyll a.Keywords
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