1. University of Wisconsin-Madison Biophysics Graduate Program, , Madison, WI, United States
2. University of Wisconsin-Madison Department of Biochemistry, , Madison, WI, United States
3. Cryo-Electron Microscopy Research Center , Department of Biochemistry, , Madison, WI, United States
4. University of Wisconsin-Madison , Department of Biochemistry, , Madison, WI, United States
5. Midwest Center for Cryo-Electron Tomography , Department of Biochemistry, , Madison, WI, United States
6. Morgridge Institute for Research, University of Wisconsin-Madison , Madison, WI, United States