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. Author manuscript; available in PMC: 2019 Feb 16.
Published in final edited form as: J Mol Biol. 2017 May 23;430(4):424–437. doi: 10.1016/j.jmb.2017.05.021

Figure 5.

Figure 5

Forced unfolding of GlpG using magnetic tweezers. (A) Schematic of the experimental set up for unfolding a membrane protein in a bicelle using magnetic tweezers. (B) Force-extension curves for repeated unfolding and refolding of GlpG. (C) The energy landscape for second-stage folding of GlpG in bicelles determined from magnetic tweezer experiments [95].