van t Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The Netherlands.|van t Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The Netherlands.|Department of Systems Biophysics, FOM Institute AMOLF, Amsterdam, The Netherlands.|Department of Systems Biophysics, FOM Institute AMOLF, Amsterdam, The Netherlands.|van t Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The Netherlands.