1. Center for Synthetic and Systems Biology
2. Tsinghua-Peking Center for Life Sciences
3. School of Life Science
4. Tsinghua University
5. Beijing 100084
6. Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology of Ministry of Education
7. Department of Chemistry
8. China
9. Department of Pharmacy
10. Faculty of Health and Medical Sciences
11. University of Copenhagen
12. Copenhagen 2100
13. Denmark