1. Department of Chemistry, Bryn Mawr College, Bryn Mawr, Pennsylvania 19010, Lankenau Institute for Medical Research, Wynnewood, Pennsylvania 19096, Department of Chemistry, X-ray Crystallography Facility, University of Pennsylvania, Philadelphia, Pennsylvania 19104, LIMR Development, Inc., Wynnewood, Pennsylvania 19096, and Departments of Pathology, Anatomy & Cell Biology, Microbiology and Immunology, Jefferson Medical School, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania...