Revealing structural involvement of chromophores in algal light harvesting complexes using symmetry-Adapted perturbation theory

Publication date: Available online 19 November 2018Source: Journal of Photochemistry and Photobiology B: BiologyAuthor(s): Zi S.D. Toa, Jacob C. Dean, Gregory D. ScholesAbstractThe attribution of quantum beats observed in the time-resolved spectroscopy of photosynthetic light-harvesting antennae to nontrivial quantum coherences has sparked a flurry of research activity beginning a decade ago. Even though investigations into the functional aspects of photosynthetic light-harvesting were supported by X-ray crystal structures, the non-covalent interactions between pigments and their local protein environment that drive such function has yet to be comprehensively explored. Using symmetry-adapted perturbation theory (SAPT), we have comprehensively determined the magnitude and compositions of th...

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