The rotational diffusion of cytochrome b5 in lipid bilayer membranes. Influence of the lipid physical state
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The secondary structure of alamethicin in lipid membranes below and above the lipid phase transition temp. Tt is detd. by Raman spectroscopy and CD measurements. In both cases structural data are obtained by fitting the exptl. spectra by a superposition of ...
Time-resolved fluorescence anisotropy (FA) measurements are reported for 5 helical bilayer-spanning henicosapeptides, each contg. 1 tryptophan at sequence position 1, 6, 11, 16, or 21. The FA decay reflects 2 mol. processes in all cases: local internal flu ...
The effect of melittin on lipid order in dimyristoylphosphatidylcholine bilayers was investigated by Raman spectroscopy and fluorescence anisotropy with diphenylhexatriene as fluorescent probe. In the fluid lipid phase, the Raman results indicated a slight ...
Putative transmembrane helixes of membrane proteins in general and channel proteins in particular often contain proline residues which may induce a bend into an otherwise regular helical structure. Here, it is shown by fluorescence-energy-transfer measurem ...
Monomolecular layers of lipid extracts of microsomal, mitochondrial outer and inner membranes, and pure lipid species have been used to measure their interaction with apo- and holocytochrome c. Large differences were observed both with respect to the natur ...
American Society for Biochemistry and Molecular Biology1989
Pore-forming toxins, such as colicin A, are water-soluble proteins that insert into lipid bilayers. The water-soluble structure of Colicin A is known at a high resolution and this review describes the kinetic and structural steps involved in its soluble-to ...
The conformations of melittin, porin, and lactose permease reconstituted in liposomal membranes were investigated by Raman spectroscopy, and the folding of membrane domains was predicted. These data resulted in consistent models for the insertion of the pr ...
Small-angle neutron scattering data for lipid bilayers in excess water are presented. The method of solvent contrast variation was applied. The variation of scattering intensity with the scattering angle could be analyzed in terms of the model of scatterin ...
In a recent paper, a new class of synthetic lipids, which self-assemble to form monolayers on gold surfaces, was introduced. The addn. of a monolayer of phospholipids to these layers results in robust supported lipid bilayers designed to reconstitute trans ...
Oligomerization is a necessary step in channel formation by the bacterial toxin aerolysin. We have identified a region of aerolysin containing two tryptophans which influence the ability of the protein to oligomerize. Changing the tryptophan at position 37 ...