Affiliation: | 1. Department of Biochemistry, College of Medicine, University of Vermont, 89 Beaumont Avenue, Burlington, VT 05405, USA;2. Department of Chemistry, University of New Hampshire, Parsons Hall, Durham, NH 03824, USA;3. Department of Biochemistry and Molecular Biology and Centre for Blood Research, University of British Columbia, Vancouver, BC V6T 1Z3, Canada;4. Department of Chemistry, State University of New York at Potsdam, Stowell Hall, Potsdam, NY 13676, USA |