1. Center for Advanced Study of Drug Action, Stony Brook University, John S. Toll Drive, Stony Brook, New York 11794-3400, United States
2. Department of Chemistry, Stony Brook University, John S. Toll Drive, Stony Brook, New York 11794-3400, United States
3. Structural Biology Initiative, CUNY Advanced Science Research Center, New York, New York 10031, United States
4. Department of Radiology, Stony Brook University, John S. Toll Drive, Stony Brook, New York 11794-3400, United States