1. Department of Chemistry and Biochemistry, Native Mass Spectrometry Guided Structural Biology Center, The Ohio State University, Columbus, Ohio, 43210, United States
2. Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
3. Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
4. Department of Chemistry, Texas A&M University, College Station, Texas 77844, United States
5. Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310058, China