1. Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
2. Department of Pharmacology, Yale University School of Medicine, New Haven, Connecticut 06520-8066, United States
3. M. D. – Ph. D. Program, Yale University School of Medicine, New Haven, Connecticut 06520-8066, United States
4. Department of Microbial Pathogenesis, Yale University School of Medicine, New Haven, Connecticut 06536-0812, United States
5. Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, Connecticut 06520, United States
6. Department of Molecular Biophysics and Biochemistry, Yale University School of Medicine, New Haven, Connecticut 06520-8066, United States