1. Department of Chemistry and Biochemistry and Resource for Native Mass Spectrometry Guided Structural Biology, The Ohio State University, Columbus, Ohio 43210, United States
2. Michael Barber Centre for Collaborative Mass Spectrometry, Manchester Institute of Biotechnology, and Photon Science Institute, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
3. Waters Corporation, Wilmslow, SK9 4AX, United Kingdom