1. Department
of Chemistry and Chemical Biology, Harvard University, 12 Oxford
Street, Cambridge, Massachusetts 02138, United States
2. Schrödinger, Inc., 120 West 45th Street, New York, New York 10036-4041, United States
3. National
Synchrotron Light Source, Brookhaven National Laboratory, Photon Sciences
Directorate Building 745 , Upton, New York 11973-5000, United States
4. Wyss
Institute for Biologically Inspired Engineering, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138, United States