1. Department of Chemistry, University of Wisconsin−Madison, Madison, Wisconsin 53706, United States
2. McArdle Laboratory for Cancer Research, School of Medicine and Public Health, University of Wisconsin−Madison, Madison, Wisconsin 53705, United States
3. Department of Biomolecular Chemistry, University of Wisconsin−Madison, Madison, Wisconsin 53706, United States
4. National Center for Quantitative Biology of Complex Systems, University of Wisconsin−Madison, Madison, Wisconsin 53706, United States
5. Morgridge Institute for Research, Madison, Wisconsin 53706, United States