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Proteolytic activation, oligomerization, and membrane insertion are three steps that precede channel formation by the bacterial toxin aerolysin. Using attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) and hydrogen-deuterium exc ...
The elastic properties of rod-coil diblock copolymer poly(styrene-d8)-b-poly(γ-benzyl L-glutamate) (PSd-b-PBLG) rod-coil diblock copolymer solutions were investigated using small-angle neutron scattering (SANS). PBLG is known to undergo a transition from a ...
The incorporation of serine as oxazolidine protected ''pseudo proline'' in a host peptide results in the disruption of secondary structure formation thus increasing the solvation of the peptide chain. The use of this protection technique for serine, threon ...
We present mol. dynamics simulations of bovine rhodopsin in a membrane mimetic environment based on the recently refined x-ray structure of the pigment. The interactions between the protonated Schiff base and the protein moiety are explored both with the c ...
The nature of the orientational, translational, and conformational disorder exhibited by poly(tetrafluoroethylene) has been characterized with the help of mol. dynamics calcns. based on a new all-atom interaction potential function developed specifically f ...
The atomic force microscope acquires topographs of single native membrane proteins at subnanometer resolution. Owing to the high signal-to-noise ratio, such images allow the conformational space of membrane protein surfaces to be sampled. This is demonstra ...
A simple approach to the in situ measurement of IR spectra of self-assembled monolayers (SAMs) on gold in an aq. environment is described. A thin gold film (3-5 nm) on the surface of a germanium internal reflection element is used as a substrate for the se ...
The secondary structure of bacterio-opsin (BO), the retinal free protein-component of bacteriorhodopsin (BR), was detd. by Raman spectroscopy. Addnl. CD measurements revealed only negligible conformational differences between BO in apomembranes and BR in p ...
The conformation of NAD bound to dogfish lactate dehydrogenase (LDH) was reinvestigated by using an NMR expt. that allows one to exploit NOEs to det. internuclear distances between pairs of protons, without perturbation of spin-diffusion effects from other ...
