4 Beijing Advanced Innovation Center for Structural Biology, School of Pharmaceutical Sciences, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China.
5 Zhejiang Provincial Key Laboratory of Pancreatic Diseases, The First Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, 310003, China. liangtingbo@zju.edu.cn.
6 Shanghai Institute of Materia Medica, Shanghai, 200216, China. chtan@simm.ac.cn.
7 Zhejiang Provincial Key Laboratory of Pancreatic Diseases, The First Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, 310003, China. pzhangbcm@zju.edu.cn.