Institute for Theoretical Physics and BioQuant, Heidelberg University, Heidelberg, Germany.|Institute for Theoretical Physics and BioQuant, Heidelberg University, Heidelberg, Germany.|Institute for Biophysical Dynamics, Department of Physics, and The James Franck Institute, University of Chicago, Chicago, United States of America.|Institute for Biophysical Dynamics, Department of Physics, and The James Franck Institute, University of Chicago, Chicago, United States of America.|Institute for Biophysical Dynamics, Department of Physics, and The James Franck Institute, University of Chicago, Chicago, United States of America.|Institute for Theoretical Physics and BioQuant, Heidelberg University, Heidelberg, Germany.