1. School of Biological Sciences, Seoul National University, Seoul 08826, South Korea.
2. Biodesign Institute, School of Molecular Sciences, Arizona State University, Tempe, AZ 85801, USA.
3. Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
4. Department of Bioengineering, James H. Clark Center, Stanford University, Stanford, CA 94305, USA.
5. Laboratoire International Associé CNRS-UIUC, UMR 7019, Université de Lorraine, 54506 Vandœuvre-lès-Nancy, France.
6. Department of Biochemistry and Molecular Biology, SUNY Upstate Medical University, Syracuse, NY 13210, USA.
7. Division of Cryo-EM and Bioimaging, SSRL, SLAC National Accelerator Laboratory, Stanford University, Menlo Park, CA 94025, USA.