1. Department of Biology, Indiana University, Bloomington, IN 47405
2. Department of Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
3. Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
4. Center for Structural Biology of Infectious Diseases, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
5. Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
6. Department of Chemistry, Purdue University, West Lafayette, IN 47907
7. Department of Medicinal Chemistry, Purdue University, West Lafayette, IN 47907