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. Author manuscript; available in PMC: 2011 Apr 28.
Published in final edited form as: J Am Chem Soc. 2010 Apr 28;132(16):5616–5618. doi: 10.1021/ja100459a

Figure 4.

Figure 4

Logarithm of the relaxation rate constant of the β-peptide (open circle) versus 1/T. Linear regression of these data (solid line) yields an activation enthalpy of 6.8 ± 1.0 kcal/mol and an intercept of 11.1 ± 0.3. Also shown (dashed line) is the temperature dependence of the relaxation rate of a 19-residue alanine-rich peptide with a reported apparent activation energy of 15.5 kcal/mol (reproduced from reference 4).