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. 2007 Feb 14;2(2):e201. doi: 10.1371/journal.pone.0000201

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Lamaziere et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Membrane thickness alteration induced by peptides. A) Diffractograms of PC/PG (9/1) MLVs in the absence or presence of peptides with a weight ratio peptide/lipid of 1/20 (at 20°C). Thick arrow shows the position of a weak non lamellar contribution induced by substance P. Ld1 and Ld2 are two lamellar phases clearly distinguished by slightly different d-spacings. B) Electron density profiles of Ld1 phase of peptide free MLVs or formed in the presence of RW9 and SP peptides. C) Electron density profiles of Ld2 phase of peptide free MLVs or formed in the presence of RW16 and RL16.