1 Department of Basic Research, Guangzhou Laboratory, Guangzhou 510005, China.
2 MOE Key Laboratory of Protein Science, School of Medicine, Tsinghua University, Beijing 100084, China.
3 National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China.
4 University of Chinese Academy of Sciences, Beijing 100049, China.
5 National Virus Resource Center, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China.
6 State Key Laboratory of Medicinal Chemical Biology and College of Life Science and Pharmacy, Nankai University, Tianjin 300350, China.