1. Ministry of Education Key Laboratory of Protein Science, Tsinghua-Peking Joint Center for Life Sciences, Beijing Advanced Innovation Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China.
2. SUSTech Cryo-EM Facility Center, Southern University of Science and Technology, Shenzhen 518055, China.
3. School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.