1. Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA.
2. Department of Chemical and Biomolecular Engineering, University of California Los Angeles, Los Angeles, CA 90095, USA.
3. Biophysics Program, School of Medicine, Stanford University, Stanford, CA 94305, USA.
4. Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA.
5. Department of Electrical Engineering, Stanford University, Stanford, CA 94305, USA.
6. Department of Chemistry, Stanford University, Stanford, CA 94305, USA.
7. Department of Bioengineering, Stanford University, Stanford, CA 94305, USA.
8. Division of Cryo-EM and Bioimaging, SSRL, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA.
9. Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA.