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. Author manuscript; available in PMC: 2014 Jun 25.
Published in final edited form as: Biochemistry. 2013 Jun 13;52(25):4413–4421. doi: 10.1021/bi400344b

Figure 2.

Figure 2

Urea-induced equilibrium unfolding of OmpA mutants in DPoPC/POPG (9:1) lipid bilayers monitored by Trp fluorescence emission. (A) Unfolding transition curves for W0, W7, W9 and W11 mutants with Trps in the periplasm-facing monolayer (left) and corresponding plots of unfolding free energies versus urea concentration (right). (B) Unfolding transition curves for W0, W11, W13 and W15 mutants with Trps in the extracellular-space-facing monolayer (left) and corresponding plots of unfolding free energies versus urea concentration (right).