1. State Key Laboratory of Membrane Biology, Tsinghua University, Beijing 100084, China.
2. Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China.
3. Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences and School of Medicine, Tsinghua University, Beijing 100084, China.
4. Medical Research Center, Beijing Key Laboratory of Cardiopulmonary Cerebral Resuscitation, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China.
5. Technology Center for Protein Sciences, Ministry of Education Key Laboratory of Protein Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China.