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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: J Biomol NMR. 2016 Feb 12;64(3):223–237. doi: 10.1007/s10858-016-0023-3

Figure 7.

Figure 7

Residual intensities, S/S0, of radical-containing membranes. (a, c) DMPC membrane. (b, d) VM+ membrane. (a, b) 1H and 13C S/S0 values of membranes containing 10 mM AMUPol. (c, d) 1H and 13C S/S0 values of membranes containing 10 mM TOTAPOL. The x-axis shows the depths of lipid and cholesterol functional groups (Craven, 1976; Kucerka et al., 2005; Nagle and Tristram-Nagle, 2000), with the chemical structures of lipids and cholesterol drawn to scale along the x-axis. Shaded vertical bars indicate the positions of local S/S0 minima, which indicate the most likely radical positions. The error bars of 1H data points are less than 2%, thus are not plotted here.