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. Author manuscript; available in PMC: 2010 Apr 8.
Published in final edited form as: J Am Chem Soc. 2009 Apr 8;131(13):4854–4865. doi: 10.1021/ja8095224

Figure 11.

Figure 11

A contour plot as in Figure 10 showing the distribution of 25-hydroxycholesterol orientations in mixed POPC/oxysterol bilayers. Regions containing the densest 10%, 25%, 50%, 75%, and 90% of the total probability density are shown by areas of red, orange, yellow, green, and cyan respectively. (A) Ring tilt β vs. ring twist γ (B) Ring tilt β vs. ring height, calculated as the average distance of carbons 3 and 13 from the bilayer center. (C) Ring height vs. ring twist γ (D) Ring tilt β vs. tail tilt β′. Labelled crosses show the orientations of the specific sterol molecules depicted in Figure 13.