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[NMR paper] Biomolecular NMR in the AI-assisted structural biology era: Old tricks and new opportunities
Aug 13, 2023 - 11:17 AM - by nmrlearner
nmrlearner's Avatar Biomolecular NMR in the AI-assisted structural biology era: Old tricks and new opportunities

Over the last 40 years nuclear magnetic resonance (NMR) spectroscopy has established itself as one of the most versatile techniques for the characterization of biomolecules, especially proteins. Given the molecular size limitations of NMR together with recent advances in cryo-electron microscopy and artificial intelligence-assisted protein structure prediction, the bright future of NMR in structural biology has been put into question. In this mini review we argue the contrary. We discuss the...

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0 Replies | 184 Views
[NMR paper] Lipid- and substrate-induced conformational and dynamic changes in a glycosyltransferase involved in E. coli LPS synthesis revealed by 19F and 31P NMR
Aug 11, 2023 - 10:09 AM - by nmrlearner
nmrlearner's Avatar Lipid- and substrate-induced conformational and dynamic changes in a glycosyltransferase involved in E. coli LPS synthesis revealed by 19F and 31P NMR

WaaG is a glycosyltransferase (GT) involved in the synthesis of the bacterial cell wall, and in Escherichia coli it catalyzes the transfer of a glucose moiety from the donor substrate UDP-glucose onto the nascent lipopolysaccharide (LPS) molecule which when completed constitutes the major component of the bacterium's outermost defenses. Similar to other GTs of the GT-B fold, having two Rossman-like domains connected by a short linker, WaaG is believed to undergo complex inter-domain motions as...

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0 Replies | 606 Views
Capillary electrophoresis-mass spectrometry for protein analyses ... - John Wiley
Aug 10, 2023 - 3:19 AM - by nmrlearner
nmrlearner's Avatar Capillary electrophoresis-mass spectrometry for protein analyses ... - John Wiley

Capillary electrophoresis-mass spectrometry for protein analyses ... John Wiley Read here
0 Replies | 204 Views
State-of-the-art computational methods to predict protein–protein ... - John Wiley
Aug 09, 2023 - 12:34 PM - by nmrlearner
nmrlearner's Avatar State-of-the-art computational methods to predict protein–protein ... - John Wiley

State-of-the-art computational methods to predict protein–protein ... John Wiley Read here
0 Replies | 200 Views
[NMR paper] NMR indicates the N-termini of PSGL1 and CCR7 bind competitively to the chemokine CCL21
Aug 09, 2023 - 12:34 PM - by nmrlearner
nmrlearner's Avatar NMR indicates the N-termini of PSGL1 and CCR7 bind competitively to the chemokine CCL21

Chemokines are from a family of secreted cytokines that direct the trafficking of immune cells to coordinate immune responses. Chemokines are involved in numerous disease states, including responding to infections, autoimmune disorders, and cancer metastasis. Ther are chemokines, like CCL21, that signal for cellular migration through the activation of G protein-coupled receptors, like CCR7, through interaction with the receptor's extracellular N-terminus, loops, and core of the receptor. CCL21...

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0 Replies | 271 Views
[NMR paper] Solution NMR investigations of integral membrane proteins: Challenges and innovations
Aug 06, 2023 - 3:39 PM - by nmrlearner
nmrlearner's Avatar Solution NMR investigations of integral membrane proteins: Challenges and innovations

Compared to soluble protein counterparts, the understanding of membrane protein stability, solvent interactions, and function are not as well understood. Recent advancements in labeling, expression, and stabilization of membrane proteins have enabled solution nuclear magnetic resonance spectroscopy to investigate membrane protein conformational states, ligand binding, lipid interactions, stability, and folding. This review highlights these advancements and new understandings and provides...

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0 Replies | 286 Views
[NMR paper] 1H, 15N and 13C backbone and side chain solution NMR assignments of the TPM domain-containing protein of the thermophilic bacterium Rhodothermus marinus
Aug 06, 2023 - 3:39 PM - by nmrlearner
nmrlearner's Avatar 1H, 15N and 13C backbone and side chain solution NMR assignments of the TPM domain-containing protein of the thermophilic bacterium Rhodothermus marinus

The InterPro family IPR007621 TPM_phosphatase is a widely conserved family of protein domains found in prokaryotes, plants and invertebrates. Despite similar predicted protein folding, members of this family are involved in different cellular processes. In recent years, the structural and biochemical characterization of evolutionarily divergent TPM domains has shown their ability to hydrolyze phosphate groups of different substrates. However, there are still inaccurate functional annotations and...

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0 Replies | 244 Views
[NMR paper] Protein dynamics detected by magic-angle spinning relaxation dispersion NMR
Aug 05, 2023 - 12:49 PM - by nmrlearner
nmrlearner's Avatar Protein dynamics detected by magic-angle spinning relaxation dispersion NMR

Magic-angle spinning (MAS) nuclear magnetic resonance (NMR) is establishing itself as a powerful method for the characterization of protein dynamics at the atomic scale. We discuss here how R(1?) MAS relaxation dispersion NMR can explore microsecond-to-millisecond motions. Progress in instrumentation, isotope labeling, and pulse sequence design has paved the way for quantitative analyses of even rare structural fluctuations. In addition to isotropic chemical-shift fluctuations exploited in...

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0 Replies | 216 Views
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