Perturbing probes and the study of lipid-protein bilayer membranes |
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Authors: | David A Pink |
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Institution: | Centre for Mathematical Simulation, St. Francis Xavier University, Antigonish, Nova Scotia, B2G 1C0, Canada |
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Abstract: | Recent experimental and theoretical developments concerning perturbing probes are outlined. The fluorescent probe 1,6-diphenyl-1,3,5-hexatriene and nitroxide electron paramagnetic resonance spin labels attached to lipid hydrocarbon chains are taken as the most widely used examples of such probes. The reliability of these probes as indicators of the statics and dynamics of unlabelled lipid hydrocarbon chains is discussed, and the use of such probes in giving information about protein size, protein oligomerization and protein lateral distribution is outlined. Examples are given of studies to determine protein packing in lipid bilayers membranes. |
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Keywords: | lipid-protein bilayer membranes fluorescent probes electron paramagnetic resonance probes |
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