Affiliation: | From the ‡Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow 117997, Russia.;the §Biological Faculty, Lomonosov Moscow State University, Moscow 119992, Russia, and ;the ¶Laboratory of Toxicology and Pharmacology, University of Leuven, Leuven 3000, Belgium |