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. Author manuscript; available in PMC: 2009 Aug 1.
Published in final edited form as: Biophys Chem. 2008 May 1;136(2-3):74–86. doi: 10.1016/j.bpc.2008.04.008

Figure 4.

Figure 4

Polypeptide aggregation in 50mM sodium acetate of (a) PE and (b) PEA as a function of pH. Squares are pH 4.6, circles are pH 4.1, crosses are pH 3.6, triangles are pH 3.1. Solid fit lines for (a) and (b) are based on a hyperbolic tangent with the center shifted from the origin.