1. Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, Pennsylvania 16802, USA, Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA, Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, Iowa 50011, USA, Max Volmer Institut, Technische Universität Berlin, D-10623 Berlin, Germany, Fachbereich Physik, Freie Universität Berlin, D-14195 Berlin, Germany, and Department of...