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Vibrational absorption and vibrational circular dichroism (VCD) spectra of valinomycin are measured, in different solvents, in the ester and amide carbonyl stretching regions. The influence of cations, namely Li+, Na+, K+, and Cs+, in methanol‐d4 solvent is also investigated. Ab initio quantum...
Thermodynamic stability in polypeptides is described using a novel Distance Constraint Model (DCM). Here, microscopic interactions are represented as constraints. A topological arrangement of constraints define a mechanical framework. Each constraint in the framework is associated with an...
A comprehensive study of the base hydrolysis of all phosphodiester bond‐containing capsular polysaccharides of the 23‐valent pneumococcal vaccine is described here. Capsular polysaccharides from serotypes 6B, 10A, 17F, 19A, 19F, and 20 contain a phosphodiester bond that connects the repeating...
Bacteriorhodopsin is a membrane protein of the purple membrane (PM) of Halobacterium salinarum, which is isolated as sheets of highly organized two‐dimensional hexagonal microcrystals and for which water molecules play a crucial role that affects its function as a proton pump. In this paper we...
We synthesized by solution methods a water‐soluble, terminally blocked heptapeptide based on five markedly helicogenic, Cα‐tetrasubstituted α‐amino acids Cα‐methyl‐L‐norvalines and two strongly hydrophilic 2‐amino‐3‐(1‐(1,4,7‐triazacyclononane))‐L‐propanoic acid...
A powerful combination of molecular beacon and luminescence resonance energy transfer technology reveals alterations in nucleic acid structure by as little as a single nucleotide in a novel hybridization proximity assay. The assay measures the length of a single‐stranded target when a terbium...
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