1. Department of Pharmaceutical Sciences, University of Connecticut, 69 N. Eagleville Road, Storrs, Connecticut 06269, United States
2. Department of Computer Science, Duke University, 308 Research Drive, Durham, North Carolina 27708, United States
3. Program in Computational Biology and Bioinformatics, Duke University, 101 Science Drive, Durham, North Carolina 27708, United States
4. Department of Biochemistry, Duke University Medical Center, 255 Nanaline H. Duke, Durham, North Carolina 27710, United States
5. Department of Chemistry, University of Montana, 32 Campus Drive, Missoula, Montana 59812, United States
6. Department of Chemistry, Duke University, 124 Science Drive, Durham, North Carolina 27708, United States
7. Department of Chemistry, University of Connecticut, 55 N. Eagleville Road, Storrs, Connecticut 06269, United States