1. Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
2. University of Chinese Academy of Sciences, Beijing 100049, China.
3. Ben May Department for Cancer Research, The University of Chicago, Chicago, IL 60637, USA.
4. Laboratory of Biochemistry and Molecular Biology, The Rockefeller University, New York, NY 10065, USA.
5. Division of Genetics, Department of Medicine, Brigham and Women’s Hospital, Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA.