1 Max Planck Institute of Biophysics, Frankfurt on Main, Germany.
2 Buchmann Institute for Molecular Life Sciences, Goethe University of Frankfurt on Main, Frankfurt, Germany.
3 In Situ Structural Biology, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany.
4 Department of Physics, Humboldt University of Berlin, Berlin, Germany.
5 Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustraße 6, Berlin, Germany.
6 EMBL Heidelberg, Heidelberg, Germany.
7 Core Facility for Cryo-Electron Microscopy, Charité-Universitätsmedizin Berlin, Berlin, Germany.
8 Cryo-EM Facility, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany.
9 Max Planck Institute of Biophysics, Frankfurt on Main, Germany. mikhail.kudryashev@mdc-berlin.de.
10 Buchmann Institute for Molecular Life Sciences, Goethe University of Frankfurt on Main, Frankfurt, Germany. mikhail.kudryashev@mdc-berlin.de.
11 In Situ Structural Biology, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany. mikhail.kudryashev@mdc-berlin.de.
12 Institute of Medical Physics and Biophysics, Charité-Universitätsmedizin Berlin, Berlin, Germany. mikhail.kudryashev@mdc-berlin.de.