1. Division of Biological Chemistry and Molecular Microbiology, School of Life Sciences, University of Dundee, Dundee DD1 5EH, Scotland, Protein Engineering Network of Centres of Excellence of Canada, Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1, Institut de Génétique et Microbiologie, Université Paris-Sud, Bât 360, Orsay 91405, France, and Carbohydrate Laboratory, Food Material Division, National Food Research Institute, 2-1-12...