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. Author manuscript; available in PMC: 2012 Apr 13.
Published in final edited form as: Anal Chem. 2010 Oct 13;82(21):10.1021/ac101957x. doi: 10.1021/ac101957x

Figure 1.

Figure 1

Plot of the (a) ESI-MS relative charge state abundances of 10 µM ubiquitin (20 mM aqueous ammonium acetate, pH 7.0) formed with and without 1% m-NBA, and (b) TWIMS reduced arrival times as a function of charge state, which shows two distinct families of conformers.