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Light-switchable HTI-peptides: Ultrafast structural changes and coupling between the electronically excited chromophore and amide groups

N. Regner, T. T. Herzog, K. Haiser, C. Hoppmann, J. Sauermann, K. Rück-Braun, M. Engelhard, T. Cordes, and W. Zinth

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Abstract

Hemithioindigo (HTI) is used as a structural trigger for attached peptides. Ultrafast, directly driven and slower, allosteric structural changes are induced by the HTI switch. Pronounced electronic interactions occur between the HTI and amino acids.

© 2010 Optical Society of America

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