1. Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
2. Department
of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6321, United States
3. Department
of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6391, United States
4. Department
of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6396, United States
5. Department
of Biology, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6313, United States
6. Department
of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6059, United States
7. Institute
of Computational Molecular Science, Temple University, Philadelphia, Pennsylvania 19122, United States