1 Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China.
2 Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China.
3 Institute of Molecular Enzymology, School of Biology and Basic Medical Sciences, Soochow University, Suzhou, Jiangsu 215123, China.
4 Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China; Tsinghua-Peking Center for Life Sciences, Beijing 100084, China.
5 Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China; Tsinghua-Peking Center for Life Sciences, Beijing 100084, China. Electronic address: lixueming@mail.tsinghua.edu.cn.
6 Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China; Tsinghua-Peking Center for Life Sciences, Beijing 100084, China. Electronic address: sunqianwen@mail.tsinghua.edu.cn.