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» Welcome! Welcome, NMR world! Our visitors map. » Log in User Name Remember Me? Not a member yet? Register Now! Password Recent developments in deuterium solid-state NMR for the detection of slow motions in proteins - ScienceDirect Feb 17, 2024 - 12:31 AM - by nmrlearner Recent developments in deuterium solid-state NMR for the detection of slow motions in proteins - ScienceDirect Recent developments in deuterium solid-state NMR for the detection of slow motions in proteins ScienceDirect Read here 0 Replies | 67 Views NMR structure of Streptomyces killer toxin-like protein, SKLP: further evidence for the wide distribution of single-domain ... - ScienceDirect Feb 17, 2024 - 12:31 AM - by nmrlearner NMR structure of Streptomyces killer toxin-like protein, SKLP: further evidence for the wide distribution of single-domain ... - ScienceDirect NMR structure of Streptomyces killer toxin-like protein, SKLP: further evidence for the wide distribution of single-domain ... ScienceDirect Read here 0 Replies | 51 Views [NMR paper] Using Abundant 1H Polarization to Enhance the Sensitivity of Solid-State NMR Spectroscopy Feb 16, 2024 - 7:14 AM - by nmrlearner Using Abundant 1H Polarization to Enhance the Sensitivity of Solid-State NMR Spectroscopy Solid-state NMR spectroscopy has been playing a significant role in elucidating the structures and dynamics of materials and proteins at the atomic level for decades. As an extremely abundant nucleus with a very high gyromagnetic ratio, protons are widely present in most organic/inorganic materials. Thus, this Perspective highlights the advantages of proton detection at fast magic-angle spinning (MAS) and presents strategies to utilize and exhaust ¹H polarization to achieve signal sensitivity... More... 0 Replies | 211 Views [NMR paper] Saturation Transfer Difference NMR and Molecular Docking Interaction Study of Aralkyl-Thiodigalactosides as Potential Inhibitors of the Human-Galectin-3 Protein Feb 16, 2024 - 7:14 AM - by nmrlearner Saturation Transfer Difference NMR and Molecular Docking Interaction Study of Aralkyl-Thiodigalactosides as Potential Inhibitors of the Human-Galectin-3 Protein Human Galectin-3 (hGal-3) is a protein that selectively binds to ?-galactosides and holds diverse roles in both normal and pathological circumstances. Therefore, targeting hGal-3 has become a vibrant area of research in the pharmaceutical chemistry. As a step towards the development of novel hGal-3 inhibitors, we synthesized and investigated derivatives of thiodigalactoside (TDG) modified with different aromatic substituents. Specifically, we describe a high-yielding synthetic route of... More... 0 Replies | 69 Views [NMR paper] Quantitation of Lupinus spp. Quinolizidine Alkaloids by qNMR and Accelerated Debittering with a Resin-Based Protocol Feb 16, 2024 - 7:14 AM - by nmrlearner Quantitation of Lupinus spp. Quinolizidine Alkaloids by qNMR and Accelerated Debittering with a Resin-Based Protocol Quinolizidine alkaloids (QAs) are toxic secondary metabolites of the Lupinus species, the presence of which limits the expansion of lupin beans consumption, despite their high protein content. Evaluation of the level of alkaloids in edible Lupinus species is crucial from a food safety point of view. However, quantitation of QAs is complicated by the fact that not all important alkaloids used for quantitation are commercially available. In this context, we developed a method for the simultaneous... More... 0 Replies | 67 Views [NMR paper] Cooperative Gating of a K+ Channel by Unmodified Biological Anionic Lipids Viewed by Solid-State NMR Spectroscopy Feb 16, 2024 - 7:14 AM - by nmrlearner Cooperative Gating of a K+ Channel by Unmodified Biological Anionic Lipids Viewed by Solid-State NMR Spectroscopy Lipids adhere to membrane proteins to stimulate or suppress molecular and ionic transport and signal transduction. Yet, the molecular details of lipid-protein interaction and their functional impact are poorly characterized. Here we combine NMR, coarse-grained molecular dynamics (CGMD), and functional assays to reveal classic cooperativity in the binding and subsequent activation of a bacterial inward rectifier potassium (Kir) channel by phosphatidylglycerol (PG), a common component of many... More... 0 Replies | 76 Views [NMR paper] Restraint Validation of Biomolecular Structures Determined by NMR in the Protein Data Bank Feb 16, 2024 - 7:14 AM - by nmrlearner Restraint Validation of Biomolecular Structures Determined by NMR in the Protein Data Bank Biomolecular structure analysis from experimental NMR studies generally relies on restraints derived from a combination of experimental and knowledge-based data. A challenge for the structural biology community has been a lack of standards for representing these restraints, preventing the establishment of uniform methods of model-vs-data structure validation against restraints and limiting interoperability between restraint-based structure modeling programs. The NMR exchange (NEF) and NMR-STAR... More... 0 Replies | 66 Views [NMR paper] Reconciling ASPP-p53 binding mode discrepancies through an ensemble binding framework that bridges crystallography and NMR data Feb 16, 2024 - 7:14 AM - by nmrlearner Reconciling ASPP-p53 binding mode discrepancies through an ensemble binding framework that bridges crystallography and NMR data ASPP2 and iASPP bind to p53 through their conserved ANK-SH3 domains to respectively promote and inhibit p53-dependent cell apoptosis. While crystallography has indicated that these two proteins employ distinct surfaces of their ANK-SH3 domains to bind to p53, solution NMR data has suggested similar surfaces. In this study, we employed multi-scale molecular dynamics (MD) simulations combined with free energy calculations to reconcile the discrepancy in the binding modes. We demonstrated that the... More... 0 Replies | 100 Views Page 21 of 100 « First < 11 19 20 21 22 23 31 71 > Last »

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