Affiliation: | (1) Biophysics Laboratories, IBBS, University of Portsmouth, St. Michael's Building, Portsmouth, PO1 2DT, U.K;(2) Department of Molecular Structure, Walter and Eliza Hall Institute, Parkville, Vic, 3052, Australia;(3) Biomedical NMR Centre, National Institute for Medical Research, The Ridgeway, London, NW7 1AA, U.K;(4) Department of Biological Sciences, Blackett Laboratory, Imperial College of Science, Technology and Medicine, London, SW7 2BW, U.K |