1. Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
2. Instrumentation and Service Center for Physical Sciences, Westlake University, Hangzhou, Zhejiang 310024, China
3. Neuroscience Department, Medical Toxicology Research Division, U.S. Army Medical Research Institute of Chemical Defense, 8350 Ricketts Point Road, Gunpowder, Maryland 21010, United States
4. Department of Microbiology & Molecular Genetics, College of Osteopathic Medicine, Michigan State University, East Lansing, Michigan 48824, United States
5. Berkeley Center for Structural Biology, Molecular Biophysics & Integrated Bioimaging, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States