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Marvin Asido
Goethe University Frankfurt
DeprotonationInfrared spectroscopyRhodopsinProtonationSodium
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#1Marvin Asido (Goethe University Frankfurt)H-Index: 1
#2Peter Eberhardt (Goethe University Frankfurt)H-Index: 3
Last. Josef Wachtveitl (Goethe University Frankfurt)H-Index: 38
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We report a comparative study on the structural dynamics of the light-driven sodium pump Krokinobacter eikastus rhodopsin 2 wild type under sodium and proton pumping conditions by means of time-resolved IR spectroscopy. The kinetics of KR2 under sodium pumping conditions exhibits a sequential character, whereas the kinetics of KR2 under proton pumping conditions involves several equilibrium states. The sodium translocation itself is characterized by major conformational changes of the protein ba...
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