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. Author manuscript; available in PMC: 2014 Jun 30.
Published in final edited form as: J Am Chem Soc. 2011 Oct 19;133(44):17786–17795. doi: 10.1021/ja206876h

Fig. 4.

Fig. 4

Fluorescence emission center of mass of Y32 in (A) α3Y, (B) α3Y-K29H and (C) α3Y-K36H as a function of pH. pKapp values were derived by nonlinear curve fitting (grey lines; Table 1).