BioNMR - Search Results

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	[NMR paper] The synthesis of specifically isotope labelled fluorotryptophan and its use in mammalian cell-based protein expression for (19)F-NMR applications The synthesis of specifically isotope labelled fluorotryptophan and its use in mammalian cell-based protein expression for (19)F-NMR applications ^(19)F nuclei serve as versatile sensors for detecting protein interactions and dynamics in biomolecular NMR spectroscopy. Although various methods have been developed to incorporate fluorine-containing aromatic residues into proteins using E. coli or cell-free expression techniques, similar approaches for protein production in mammalian cell lines remain limited. Here, we present a cost-effective synthetic route to obtain selectively deuterated,... nmrlearner	Today 07:00 PM by nmrlearner	0	4	Journal club
	[NMR paper] Multifrequency-STD NMR unveils the first Michaelis complex of an intramolecular trans-sialidase from Ruminococcus gnavus Multifrequency-STD NMR unveils the first Michaelis complex of an intramolecular trans-sialidase from Ruminococcus gnavus RgNanH is an intramolecular trans-sialidase expressed by the human gut symbiont Ruminococcus gnavus, to utilise intestinal sialylated mucin glycan epitopes. Its catalytic domain, belonging to glycoside hydrolase GH33 family, cleaves off terminal sialic acid residues from mucins, releasing 2,7-anhydro-Neu5Ac which is then used as metabolic substrate by R. gnavus to proliferate in the mucosal environment. RgNanH is one of the three intramolecular trans-sialidases... nmrlearner	Today 07:00 PM by nmrlearner	0	7	Journal club
	[NMR paper] On the Properties of Styrene-Maleic Acid Copolymer-Lipid Nanoparticles: A Solution NMR Perspective On the Properties of Styrene-Maleic Acid Copolymer-Lipid Nanoparticles: A Solution NMR Perspective The production of functionally active membrane proteins (MPs) in an adequate membrane environment is a key step in structural biology. Polymer-lipid particles based on styrene and maleic acid (SMA) represent a promising type of membrane mimic, as they can extract properly folded MPs directly from their native lipid environment. However, the original SMA polymer is sensitive to acidic pH levels, which has led to the development of several modifications: SMA-EA, SMA-QA, and others. Here, we...... nmrlearner	Today 07:00 PM by nmrlearner	0	4	Journal club
	[NMR paper] Serum Lipoprotein Profiling by NMR Spectroscopy Reveals Alterations in HDL-1 and HDL-2 Apo-A2 Subfractions in Alzheimer's Disease Serum Lipoprotein Profiling by NMR Spectroscopy Reveals Alterations in HDL-1 and HDL-2 Apo-A2 Subfractions in Alzheimer's Disease Identifying biomarkers for Alzheimer's disease (AD) is crucial, due to its complex pathology, which involves dysfunction in lipid transport, contributing to neuroinflammation, synaptic loss, and impaired amyloid-? clearance. Nuclear magnetic resonance (NMR) is able to quantify and stratify lipoproteins. The study investigated lipoproteins in blood from AD patients, aiming to evaluate their diagnostic potential. Serum and plasma were collected from AD patients (n... nmrlearner	Today 07:00 PM by nmrlearner	0	7	Journal club
	[NMR paper] Biased activation of the vasopressin V2 receptor probed by molecular dynamics simulations, NMR and pharmacological studies Biased activation of the vasopressin V2 receptor probed by molecular dynamics simulations, NMR and pharmacological studies G protein-coupled receptors (GPCRs) control critical cell signaling. Their response to extracellular stimuli involves conformational changes to convey signals to intracellular effectors, among which the most important are G proteins and ?-arrestins (?Arrs). Biased activation of one pathway is a field of intense research in GPCR pharmacology. Combining NMR, site-directed mutagenesis, molecular pharmacology, and molecular dynamics (MD) simulations, we studied the... nmrlearner	Today 07:00 PM by nmrlearner	0	6	Journal club
	[NMR paper] Slow global motions in biosolids studied by the deuteron stimulated echo NMR experiment Slow global motions in biosolids studied by the deuteron stimulated echo NMR experiment Recent 15N R1?-relaxation studies have shown that proteins in the solid state undergo slow, low amplitude global motion in the sub-millisecond time range. This range is at the edge of the time window for R1? experiments and, therefore, the motional parameters obtained by this method are not precise or reliable. In this paper, we present a 2H stimulated echo study of this type of molecular dynamics. The 2H stimulated echo experiments on a static sample allow for direct measurement of the... More... nmrlearner	Today 07:00 PM by nmrlearner	0	6	Journal club
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