1. College of Pharmacy, State Key Laboratory of Medicinal Chemical Biology and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300350, China
2. Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas 77843, United States
3. Center of Basic Molecular Science, Department of Chemistry, Tsinghua University, Beijing 100084, China
4. School of Life Sciences, Tianjin University, Tianjin 300110, China