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. Author manuscript; available in PMC: 2009 Jun 13.
Published in final edited form as: J Mol Biol. 2008 Apr 16;379(4):704–718. doi: 10.1016/j.jmb.2008.04.026

Figure 4.

Figure 4

Effect of lipid structure upon the stability of TM state measured by λmax and Q-ratio for peptides incorporated into anionic lipid vesicles. Values for the zwitterionic lipid DOPC are shown for comparison. (A) λmax. (B) Q-ratio. Samples were prepared at pH 4 except for those containing DOPS vesicles, which were prepared at pH 5.5 to maintain anionic charge on the PS headgroup. The results shown are for the average from three samples. Standard deviations are shown for Q-ratios. λmax values in individual samples were generally within ±1 nm of the average value.