Institution: | a Institute of Biochemistry, Heinrich-Heine-Universität, Düsseldorf, Germany ; b Center for Advanced Imaging (CAi), Heinrich-Heine-Universität, Düsseldorf, Germany ; c Institute of Medical Microbiology and Hospital Hygiene, Heinrich-Heine-Universität, Düsseldorf, Germany ; d Center for Structural Studies, Heinrich-Heine-Universität, Düsseldorf, Germany |