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. Author manuscript; available in PMC: 2009 Mar 19.
Published in final edited form as: J Phys Chem B. 2008 Jun 19;112(28):8354–8360. doi: 10.1021/jp0775911

Figure 3.

Figure 3

Current traces from a single αHL pore showing blocks with TBA in different metal ion and ligand conditions. The DNA concentration and the solution condition were the same as in Fig.2. a. TBA in NaCl. b. TBA in KCl. Left inset was the expansion of a Level-2 block at the long event terminal, and the right inset shows a long-lived event without terminal block. c. A model showing the encapsulation of a G-quartet TBA in the nanocavity of αHL followed by the spontaneous unfolding process. d. TBA in a KCl solution in the presence of 2.5 μM human α-thrombin.