1. Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, CA 94158, USA.
2. Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.
3. National Virtual Biotechnology Laboratory, U.S. Department of Energy, Washington, DC 20585, USA.
4. Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA.
5. Department of Molecular Biophysics and Integrated Bioimaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
6. Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, CA 94158, USA.
7. Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA.
8. Department of Chemistry and Biochemistry, University of California, Merced, Merced, CA 95343, USA.
9. Helen Diller Family Comprehensive Cancer, University of California, San Francisco, San Francisco, CA 94158, USA.
10. Second Target Station, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.
11. Department of Molecular and Structural Biochemistry, North Carolina State University, Raleigh, NC 27695, USA.