Closer look at structure of fully hydrated fluid phase DPPC bilayers.

Biophysical Journal
Norbert KucerkaJ F Nagle

Abstract

X-ray data are presented for the benchmark dipalmitoylphosphatidylcholine lipid bilayer in the most biologically relevant state in which the bilayers are fully hydrated and in the fluid (liquid-crystalline) phase. Form factors F(q(z)) are obtained from a combination of two sample preparations, oriented stacks of bilayers for q(z) extending to 0.85 A(-1) and unilamellar vesicles for smaller q(z). Modeling obtains the electron density profile and values for the area per molecule, for the locations of the component groups, and for the different types of thicknesses of the bilayer, such as the hydrocarbon thickness and the steric thickness.

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Citations

Feb 14, 2012·The Journal of Physical Chemistry. B·Mohit RaghunathanStephanie Tristram-Nagle
Mar 17, 2010·The Journal of Physical Chemistry. B·Candace M Pfefferkorn, Jennifer C Lee
Jan 25, 2008·Nature Reviews. Molecular Cell Biology·Gerrit van MeerGerald W Feigenson
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Jul 6, 2010·Chemistry and Physics of Lipids·Derek Marsh
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