1. Department of Biological Sciences, Vanderbilt University, Nashville, Tennessee 37203, United States
2. Center for Structural Biology, Vanderbilt University, Nashville, Tennessee 37203, United States
3. Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37203, United States
4. Bakar Computational Health Sciences Institute and Department of Epidemiology and Biostatistics, University of California, San Francisco, California 94143, United States
5. Institute for Drug Discovery, University Leipzig Medical School, Leipzig 04109, Germany