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3D model of lipid bilayers. (a) Bilayer containing phosphatidylcholine and cholesterol; (b) simulated model for bilayer designed with phosphatidylcholine. The polar site of the bilayer is fitted to the outer layer and covered with hundreds of water molecules (the white and red site on top and bottom of bilayer). Differences on bilayer diameter between structure (a,b) are discussed in Section 3.2.4. *Initial Lipid Coating* and Table 4).
