1. Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
2. Physical and Biophysical Chemistry, Department of Chemistry, Bielefeld University, 33615 Bielefeld, Germany
3. Laboratory for Biomolecular Simulation Research, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854-8076, United States
4. Institute for Quantitative Biomedicine, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854-8076, United States
5. Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States