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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2016 Oct 12;28(2):332–340. doi: 10.1007/s13361-016-1517-7

Figure 1.

Figure 1

(a) CD spectra of 10 μM carbonic anhydrase and (b) 10 μM cytochrome c in pure water (solid blue line), 10 mM ammonium acetate (green dotted line), and 10 mM potassium acetate (purple dashed line). (c) Collision cross sections of 10 μM cytochrome c ions (pink) and carbonic anhydrase ions (blue) and formed from 10 mM ammonium acetate (square, diamond, respectively) or pure water (triangle, circle, respectively) as a function of charge state. (d) Arrival time distributions of cytochrome c 8+ ions and carbonic anhydrase 12+ ions formed from water (blue) or 10 mM ammonium acetate (green)