Affiliation: | From the Departments of ‡Cancer Biology and ;‡‡Medical Oncology and ;§Blais Proteomics Center, Dana-Farber Cancer Institute and ;the Departments of ‖Biological Chemistry and Molecular Pharmacology and ;§§Pathology, Brigham and Women''s Hospital, Harvard Medical School, Boston, Massachusetts 02115 and ;**Department of Biological Chemistry, The Hebrew University of Jerusalem, 919004 Jerusalem, Israel |