1. Laboratory of Molecular OncoSignalling, IMol Polish Academy of Sciences, Warsaw 02-247, Poland
2. Laboratory of Cell and Developmental Signaling, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702, United States
3. Chemistry and Synthesis Center, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
4. Department of Cancer and Cellular Biology, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania 19140, United States
5. Proteomic Core Facility, IMol Polish Academy of Sciences, Warsaw 02-247, Poland