1. Departments
of Neuroscience and Pharmacology, Mayo Clinic College of Medicine, Jacksonville, Florida 32224, United States
2. Department
of Biochemistry and Molecular Biophysics, Washington University, St. Louis, Missouri 63110, United States
3. Kitasato
Institute for Life Sciences, Kitasato University, Tokyo 108-8641, Japan
4. Alchemical Research, Bethlehem, Pennsylvania 18018, United States
5. New York Structural Biology Center, New York, New York 10027, United States