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Oriented bilayers INDEX

D Correlation Spectroscopy. A simple, quahtative approach has been described for the determination of membrane protein secondary structure and topology in lipid bilayer membranes." The new approach is based on the observation of wheel-like resonance patterns in the NMR H- N/ N polarization inversion with spin exchange at the magic angle (PISEMA) and H/ N HETCOR spectra of membrane proteins in oriented lipid bilayers. These patterns, named Pisa wheels, have been previously shown to reflect helical wheel projections of residues that are characteristic of a-helices associated with membranes. This study extends the analysis of these patterns to P-strands associated with membranes and demonstrates that, as for the case of a-helices, Pisa wheels are extremely sensitive to the tilt, rotation, and twist of P-strands in the membrane and provide a sensitive, visually accessible, qualitative index of membrane protein secondary structure and topology. [Pg.232]


See other pages where Oriented bilayers INDEX is mentioned: [Pg.1084]    [Pg.1000]    [Pg.416]    [Pg.28]    [Pg.364]    [Pg.84]    [Pg.369]    [Pg.268]   
See also in sourсe #XX -- [ Pg.331 ]




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Oriented bilayers

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