1. Molecular Pharmacology and Chemistry Program, Memorial Sloan-Kettering Cancer Center, New York, New York 10065, United States
2. Program of Pharmacology, Weill Graduate School of Medical Science, Cornell University, New York, New York 10021, United States
3. Proteomics Resource Center, Rockefeller University, New York, New York 10065, United States
4. School of Life Sciences, Tsinghua University, Beijing, 100084 China