1. Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA.
2. Department of Biology, Institute of Molecular Biology and Biophysics, ETH Zurich, 8093 Zurich, Switzerland.
3. Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90095, USA.
4. Cryo-EM Knowledge Hub, ETH Zurich, 8093 Zurich, Switzerland.
5. Department of Physics, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, 52900 Ramat-Gan, Israel.