Fluctuations in the Electron-Phonon Coupling of a Single Chromoprotein

Sequences of high resolution low‐temperature emission spectra from individual light‐harvesting 2 (LH2) complexes from Rhodopseudomonas acidophila reveal a much larger variety of the emission profiles than previously observed. The results provide direct evidence for substantial variations in electron...

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Veröffentlicht in:	Angewandte Chemie International Edition 2013-08, Vol.52 (33), p.8726-8730
Hauptverfasser:	Kunz, Ralf, Timpmann, Kõu, Southall, June, Cogdell, Richard J., Freiberg, Arvi, Köhler, Jürgen
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Electrons Emission Emission spectra Excitation excitons Fluctuation High resolution Joining light-harvesting complexes Light-Harvesting Protein Complexes - chemistry Phonons photosynthesis Rhodopseudomonas - chemistry Rhodopseudomonas - metabolism single-molecule studies
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Zusammenfassung:	Sequences of high resolution low‐temperature emission spectra from individual light‐harvesting 2 (LH2) complexes from Rhodopseudomonas acidophila reveal a much larger variety of the emission profiles than previously observed. The results provide direct evidence for substantial variations in electron–phonon coupling and concomitantly of exciton (de)localization within single pigment‐protein complexes.
ISSN:	1433-7851 1521-3773
DOI:	10.1002/anie.201303231