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. Author manuscript; available in PMC: 2008 Oct 20.
Published in final edited form as: Biochemistry. 2006 Oct 31;45(43):12960–12975. doi: 10.1021/bi0615902

Figure 5.

Figure 5

(a) REDOR (ΔS/S0)icor (open squares with error bars) and (ΔS/S0)isim (crosses) vs. dephasing time for the HFPtr-L7CF11N/LM3e sample. Each (ΔS/S0)icor was based on a (ΔS/S0)iexp determined from spectral integrations over a 1 ppm region centered at 173.4 ppm, the peak shift in the S0 spectra. The total (S0 + S1) numbers of scans used to obtain the (ΔS/S0)0cor values for τi = 8.25, 16.25, 24.25, and 32.25 ms were 81056, 76288, 172512, and 197440, respectively. (b) A plot of χ2 vs. dCN yields dCN = 15.8 ± 1.8 Hz which corresponds to rCN = 5.8 ± 0.3 Å for the Leu-7 13CO/Phe-11 15N labeled pair. The (ΔS/S0)isim values in plot a were calculated with dCN = 15.8 Hz.