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. Author manuscript; available in PMC: 2020 Aug 20.
Published in final edited form as: Anal Chem. 2020 Aug 7;92(16):11195–11203. doi: 10.1021/acs.analchem.0c01657

Figure 5:

Figure 5:

SID-IM-TOF of the 18+ charge state of holoTRAP 11mer (in 200 mM EDDA with 14 equivalents of trp) using Gen 3 on the Synapt G2. All oligomeric fragments are observed in mobility space, consistent with the cyclic arrangement of the subunits.