Results 21 to 30 of about 1,879,593 (306)

Structural characterization of intrinsically disordered proteins by NMR spectroscopy. [PDF]

open access: yes, 2013
Recent advances in NMR methodology and techniques allow the structural investigation of biomolecules of increasing size with atomic resolution. NMR spectroscopy is especially well-suited for the study of intrinsically disordered proteins (IDPs) and ...
Contreras-Martos, Sara   +7 more
core   +1 more source

Enantiotropy of Simvastatin as a Result of Weakened Interactions in the Crystal Lattice: Entropy-Driven Double Transitions and the Transient Modulated Phase as Seen by Solid-State NMR Spectroscopy

open access: yesMolecules, 2022
In crystalline molecular solids, in the absence of strong intermolecular interactions, entropy-driven processes play a key role in the formation of dynamically modulated transient phases.
Jiri Brus   +3 more
doaj   +1 more source

In-cell NMR spectroscopy [PDF]

open access: yesProgress in Nuclear Magnetic Resonance Spectroscopy, 2011
Interactions between biological macromolecules give rise to and regulate biological activity. This activity is manifest through structural dynamics and changes in the macromolecular structures that comprise these interactions [1-3]. Until recently, mostly in vitro techniques have been used to study macromolecular interactions that govern biological ...
Andres Y, Maldonado   +2 more
openaire   +2 more sources

Protein folding on the ribosome studied using NMR spectroscopy [PDF]

open access: yes, 2013
NMR spectroscopy is a powerful tool for the investigation of protein folding and misfolding, providing a characterization of molecular structure, dynamics and exchange processes, across a very wide range of timescales and with near atomic resolution.
Christodoulou, J   +7 more
core   +1 more source

Energetics of Excitatory and Inhibitory Neurotransmission in Aluminum Chloride Model of Alzheimer’s Disease: Reversal of Behavioral and Metabolic Deficits by Rasa Sindoor

open access: yesFrontiers in Molecular Neuroscience, 2017
Alzheimer’s disease (AD) is an age-related neurodegenerative disorder, characterized by progressive loss of cognitive functions and memory. Excessive intake of aluminum chloride in drinking water is associated with amyloid plaques and neurofibrillary ...
Kamal Saba   +6 more
doaj   +1 more source

Formation of the β-barrel assembly machinery complex in lipid bilayers as seen by solid-state NMR

open access: yesNature Communications, 2018
The β-barrel assembly machinery (BAM) catalyzes β-barrel protein insertion into the outer membrane of E.coli. Here authors employ high-sensitivity solid-state NMR to reveal how the lipid environment and formation of the BamA-BamCDE complex affect BamA ...
Cecilia Pinto   +5 more
doaj   +1 more source

Regulation of the Target of Rapamycin and Other Phosphatidylinositol 3-Kinase-Related Kinases by Membrane Targeting

open access: yesMembranes, 2015
Phosphatidylinositol 3-kinase-related kinases (PIKKs) play vital roles in the regulation of cell growth, proliferation, survival, and consequently metabolism, as well as in the cellular response to stresses such as ionizing radiation or redox changes. In
Maristella De Cicco   +2 more
doaj   +1 more source

A distinct mechanism of C-type inactivation in the Kv-like KcsA mutant E71V

open access: yesNature Communications, 2022
Constriction of the selectivity filter is assumed to be a hallmark of C-type inactivation in K+ channels. Using different high-resolution methods, this study shows a distinct C-type inactivation mechanism in a KcsA mutant that emulates Kv-channels.
Ahmed Rohaim   +8 more
doaj   +1 more source

High-resolution solid state NMR experiments for the characterization of calcium phosphate biomaterials and biominerals [PDF]

open access: yes, 2011
Calcium phosphates form a vast family of biominerals, which have attracted much attention in fields like biology, medicine, and materials science, to name a few.
Hanna, John   +55 more
core   +5 more sources

Exploiting periodic first-principles calculations in NMR spectroscopy of disordered solids [PDF]

open access: yes, 2013
Much of the information contained within solid-state nuclear magnetic resonance (NMR) spectra remains unexploited because of the challenges in obtaining high-resolution spectra and the difficulty in assigning those spectra.
Ashbrook, Sharon Elizabeth   +3 more
core   +1 more source

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