Université de Fribourg

Fragment orbital based description of charge transfer in peptides including backbone orbitals

Heck, Alexander ; Woiczikowski, P. Benjamin ; Kubař, Tomáš ; Welke, Kai ; Niehaus, Thomas ; Giese, Bernd ; Skourtis, Spiros ; Elstner, Marcus ; Steinbrecher, Thomas B.

In: The Journal of Physical Chemistry B, 2014, vol. 118, no. 16, p. 4261–4272

Charge transfer in peptides and proteins can occur on different pathways, depending on the energetic landscape as well as the coupling between the involved orbitals. Since details of the mechanism and pathways are difficult to access experimentally, different modeling strategies have been successfully applied to study these processes in the past. These can be based on a simple empirical pathway...

Université de Fribourg

Charge transfer in model peptides: obtaining Marcus parameters from molecular simulation

Heck, Alexander ; Woiczikowski, P. Benjamin ; Kubař, Tomáš ; Giese, Bernd ; Elstner, Marcus ; Steinbrecher, Thomas B.

In: The Journal of Physical Chemistry B, 2012, vol. 116, p. 2284–2293

Charge transfer within and between biomolecules remains a highly active field of biophysics. Due to the complexities of real systems, model compounds are a useful alternative to study the mechanistic fundamentals of charge transfer. In recent years, such model experiments have been underpinned by molecular simulation methods as well. In this work, we study electron hole transfer in helical model...

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2 Steinbrecher, Thomas B.