1. Department of Biochemistry & Stanford ChEM-H, Stanford University, Stanford, California 94305, United States
2. Department of Bioengineering & James H. Clark Center, Stanford University, Stanford, California 94305, United States
3. Department of Chemistry, Stanford University, Stanford, California 94305, United States
4. Department of Pathology, Stanford University, Stanford, California 94305, United States
5. Stanford Blood Center, Palo Alto, California 94304, United States
6. Chan Zuckerberg Biohub, San Francisco, California 94158, United States
7. Division of CryoEM and Bioimaging, SSRL, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States