1. Center for Protein Degradation, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
2. Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02215, United States
3. Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
4. Department of Cancer Biology, Department of Oncologic Pathology, Blais Proteomics Center, and Center for Emergent Drug Targets, Dana-Farber Cancer Institute, Boston Massachusetts 02215, United States
5. Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States