[1
]Center
for Biophysics and Quantitative Biology, University of Illinois at Urbana−Champaign,
Urbana, Illinois 61801, United States
[2
]Department
of Biochemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois
61801, United States
[3
]Beckman
Insitute, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801,
United States
[4
]Insitute
for Computational Molecular Science, Temple University, Philadelphia, Pennsylvania
19122, United States