1. Department of Biochemistry, University of Washington, Seattle, United States
2. Department of Biology, Colorado State University, Fort Collins, United States
3. Molecular Biophysics and Integrated Bioimaging, Berkeley Center for Structural Biology, Lawrence Berkeley National Laboratory, Berkeley, United States
4. Ecole Polytechnique Fédérale de Lausanne, Institute of Chemical Sciences and Engineering, Lausanne, Switzerland
5. Department of Chemical Biology, Max-Planck-Institute for Medical Research, Heidelberg, Germany
6. Howard Hughes Medical Institute, University of Washington, Seattle, United States