1 Key Laboratory for Protein Sciences of Ministry of Education, School of Life Science, Tsinghua University, Beijing 100084, China.
2 Beijing Advanced Innovation Center for Structural Biology and Beijing Frontier Research Center for Biological Structure, School of Life Science, Tsinghua University, Beijing 100084, China.
3 Key Laboratory for Protein Sciences of Ministry of Education, School of Life Science, Tsinghua University, Beijing 100084, China. zhucheng_chen@tsinghua.edu.cn.
4 Beijing Advanced Innovation Center for Structural Biology and Beijing Frontier Research Center for Biological Structure, School of Life Science, Tsinghua University, Beijing 100084, China. zhucheng_chen@tsinghua.edu.cn.
5 Tsinghua-Peking Center for Life Sciences, Beijing 100084, China. zhucheng_chen@tsinghua.edu.cn.