1. Laboratory of Mass Spectrometry and Gaseous Ion Chemistry, The Rockefeller University, 10065, New York, NY, USA
2. CBM, CNRS UPR4301, Rue Charles Sadron, CS 80054, 45071, Orleans Cedex 2, France
3. Laboratory of Cellular and Structural Biology, The Rockefeller University, 10065, New York, NY, USA