1. School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
2. Center for Applied Structural Discovery, The Biodesign Institute, Arizona State University, Tempe, Arizona 85281, United States
3. Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota 55455, United States
4. Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States