Institution: | From the ‡Cell Signaling Group, Department of Molecular Biology and ;‖Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Am Klopferspitz 18, 82152 Martinsried, Germany.;§Vichem Chemie Ltd., Herman Ottó u. 15, Budapest 1022, Hungary, and ;¶Pathobiochemistry Research Group of the Hungarian Academy of Science, Semmelweis University, Puskin u. 9, Budapest 1088, Hungary |