1. School of Life Science; Tsinghua University; Beijing 100084 China
2. Tsinghua-Peking Center for Life Sciences; Tsinghua University; Beijing 100084 China
3. Center for Synthetic and Systems Biology; Tsinghua University; Beijing 100084 China
4. Department of Biological Engineering; School of Life Science; Beijing Institute of Technology; Beijing 100081 China
5. Center for Nano and Micro Mechanics; Tsinghua University; Beijing 100084 China
6. MOE Key Lab for Industrial Biocatalysis; Tsinghua University; Beijing 100084 China