| Affiliation: | 1. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871 (China);2. Department of Physics, The George Washington University, Washington, DC 20052 (USA);3. Beijing Nuclear Magnetic Resonance Center, Beijing 100871 (China);4. Departments of Biopharmaceutical Sciences and Biochemistry and Biophysics, University of California, San Francisco, CA 94158 (USA);5. State Key Laboratory for Structural Chemistry of Unstable and Stable Species, BNLMS, College of Chemistry and Molecular Engineering and Center for Theoretical Biology, Peking University, Beijing 100871 (China), Fax: (+86)?10‐6275‐1725, http://mdl.ipc.pku.edu.cn |
