Chloroplast F0F1 ATP synthase imaged by atomic force microscopy
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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
Membrane proteins fulfill many central functions in the biological membrane. The insertion process of these proteins and their structure, which are intimately linked to their function, are not yet well understood. As a model we studied three proteins recon ...
For the first time, the std. free energy change, DG Deg, of a membrane-inserting protein with a leader sequence has been detd. exptl., using M13 procoat protein as an example. The partition coeff. for the distribution of the procoat protein between the aq. ...
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 ...
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 ...
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 ...
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 ...
CD and fluorescence were used to study the interaction of the model peptide melittin with dimyristoylphosphatidylcholine (DMPC) bilayer liposomes. Melittin binds tightly to the lipid membrane and undergoes a conformational change from a random to an .apprx ...
A deriv. of the integral membrane protein, cytochrome b5, was prepd. in which the native heme group was replaced by the structurally similar Rh(III)-protoporphyrin IX. This metalloporphyrin had a finite triplet yield with a single exponential decay time of ...
