Affiliation: | 1. York Structural Biology Laboratory, Department of Chemistry, University of York, York YO10 5YW (UK), Fax: (+44)?1904‐328266;2. Department of Microbiology and Immunology, Life Sciences Centre, University of British Columbia, 2350 Health Sciences Mall, Vancouver V6T 1Z3, BC (Canada);3. Centre for Novel Agricultural Products, Department of Biology, University of York, York YO10 5YW (UK) |