Institution: | aCenter for Integrated Protein Science at the Department of Chemistry, Ludwig-Maximilians Universität München, 81377 Munich, Germany;;bRudolf Virchow Center for Experimental Biomedicine, Institute for Structural Biology, University of Würzburg, 97080 Wurzburg, Germany;;cDepartment of Chemistry, Technische Universität München, 85747 Garching, Germany |