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. Author manuscript; available in PMC: 2022 Nov 30.
Published in final edited form as: Rapid Commun Mass Spectrom. 2021 Nov 30;35(22):e9192. doi: 10.1002/rcm.9192

Figure 2. Ion mobility spectrum for charge state 7+ of ubiquitin electrosprayed from a native solution.

Figure 2.

The cross sections are consistent with presence of mainly natively folded ubiquitin ions. The data thus corroborate that the instrument described here is able to store proteins in the trap for up to at least ~1 s without significantly denaturing their structures.