1. NHC Key Laboratory of Cancer Proteomics and Laboratory of Structural Biology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
2. Key Laboratory of Medical Genetics and College of Life Science, Central South University, Changsha, Hunan 410008, China
3. Molecular and Computational Biology Program, Department of Biological Sciences and Department of Chemistry, University of Southern California, Los Angeles, CA 90089, USA