1. Departments of Chemistry, Biochemistry, Molecular Biology, and Cell Biology, Northwestern University, Evanston, Illinois, Center for Molecular Biology of Oral Diseases, College of Dentistry, University of Illinois at Chicago, Chicago, Illinois, Jesse Brown VA Medical Center, Chicago, Illinois, Department of Chemistry, Imperial College of Science, Technology and Medicine, South Kensington, London, England, and Departments of Neurobiology, Physiology, and Radiology, Northwestern University, Evanston,...