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The hydration and swelling of pectic polysaccharides was examined at different pHs and ionic strengths as a function of osmotic stress. For weakly charged pectic polysaccharides at low concentrations of a monovalent salt (20 mM), the main driving force for swelling originates from a...
The taurine (Tau) containing N‐protected pseudotripeptide isopropylamide Z–Tau–Pro–D‐Phe–NHiPr (1) has been specifically designed and synthesized as suitable model to test the ability of the sulfonamido group to participate as H‐bond acceptor to a type II β‐turn and to get...
The periodical D‐band pattern is generally considered a unique ultrastructural feature shared by all fibril‐forming collagens, which correlates with the intrafibril, paracrystalline array of tropocollagen monomers. Distinct band patterns have been reported, however, for collagen stained...
The N‐terminal 1–34 segments of both parathyroid hormone (PTH) and parathyroid hormone‐related protein (PTHrP) bind and activate the same membrane‐embedded G protein‐coupled receptor (PTH1 Rc) present on the surface of cells in target tissues such as bone and kidney. This binding occurs...
Conformational flexibility in the prion protein is believed to play a role in prion diseases. Here we examine the dynamic structure of the mouse cellular prion protein using two one‐nanosecond molecular dynamics simulations from different initial conditions. The two simulations produce similar...
In the biomineralization process, a number of Pro‐rich proteins participate in the formation of three‐dimensional supramolecular structures. One such protein superfamily, the Pro,Gly‐rich sea urchin intracrystalline spicule matrix proteins, form protein–protein supramolecular assemblies...
A statistical mechanics methodology for predicting the solution structures and populations of peptides developed recently is based on a novel method for optimizing implicit solvation models, which was applied initially to a cyclic hexapeptide in DMSO (C. Baysal and H. Meirovitch, Journal of...
A mechanism for the gel–glass transition of denatured globular protein has been explained from the viewpoint of the globule–coil transition with microwave dielectric measurements using a time domain reflectometry (TDR) method. Boiled egg white, which is an aqueous gel of egg white prepared by...
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