1. Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
2. Industrial Enzymes National Engineering Laboratory, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
3. School of Pharmaceutical Sciences and MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing 100084, China
4. Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
5. Department of Chemistry and Chemical Biology, Stevens Institute of Technology, 1 Castle Point Terrace, Hoboken, New Jersey 07030, United States