1. Division of Biological Chemistry
and Drug Discovery, College of Life Sciences, University of Dundee, Sir James Black Centre, Dundee, DD1 5EH,
U.K.
2. Instituto de Parasitología
y Biomedicina “López-Neyra”, Consejo Superior de Investigaciones Científicas, 18100-Armilla,
Granada, Spain
3. Structural
Biology Laboratory,
Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K.