Affiliation: | Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE 68198-6025, USA;Division of Protein & Nucleic Acid Chemistry, MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge CB2 0QH, UK;Department of Biology, McGill University, 3649 Sir William Osler, Montreal, QC H3G 0B1, Canada |