Affiliation: | 1.Laboratory of Molecular Parasitology, Institute of Molecular Biology and Medicine, Université Libre de Bruxelles, 12 rue des Professeurs Jeener et Brachet, B-6041 Gosselies, Belgium;2.Department of Biochemistry and Biophysics, UCSF, 1550 Fourth Street, San Francisco, California 94158-2324 |