1. Biophysics Graduate Group, UC Berkeley, CA 94720, USA and Department of Molecular Cell Biology, Leiden University Medical Center, 2333 ZC Leiden, Netherlands
2. UT Southwestern Medical Center, Departments of Biophysics and Biochemistry, Dallas, TX 75390, USA
3. Molecular and Cell Biology Graduate Program, UC Berkeley, CA 94720, USA
4. Molecular Biophysics and Integrated Bioimaging, Lawrence Berkeley National Laboratory, CA 94720, USA
5. Howard Hughes Medical Institute, UC Berkeley, CA 94720-3220, USA
6. Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO 63110, USA
7. Research Institute of Molecular Pathology, Dr. Bohr-Gasse 7, 1030 Vienna, Austria
8. Molecular and Cell Biology Department and QB3 Institute, UC Berkeley, CA 94720, USA