1. CAS Key Laboratory of Engineering Plastics, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China., Graduate School, Chinese Academy of Sciences, Beijing 100049, P. R. China., Advanced Protein Crystallography Research Group, RIKEN SPring-8 Center, Harima Institute, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan, Chemistry Department, George Mason University, MS 3E2, Fairfax, Virginia 22030-4444, Department of...