Recent developments in deuterium solid-state NMR for the detection of slow motions in proteins

L Vugmeyster - Solid state nuclear magnetic resonance, 2021 - Elsevier
Slow timescale dynamics in proteins are essential for a variety of biological functions
spanning ligand binding, enzymatic catalysis, protein folding and misfolding regulations, as …

Static solid-state 2H NMR methods in studies of protein side-chain dynamics

L Vugmeyster, D Ostrovsky - Progress in Nuclear Magnetic Resonance …, 2017 - Elsevier
In this review, we discuss the experimental static deuteron NMR techniques and
computational approaches most useful for the investigation of side-chain dynamics in …

On the practical aspects of recording wideline QCPMG NMR spectra

I Hung, Z Gan - Journal of Magnetic Resonance, 2010 - Elsevier
The practical aspects of applying CPMG for acquisition of wideline powder patterns are
examined. It is shown that most distortions/modulations of spikelet spectra can be traced to …

Effect of Cross-Seeding of Wild-Type Amyloid-β1–40 Peptides with Post-translationally Modified Fibrils on Internal Dynamics of the Fibrils Using Deuterium Solid …

A Rodgers, M Sawaged, D Ostrovsky… - The Journal of …, 2023 - ACS Publications
Post-translationally modified (PTM) amyloid-β (Aβ) species can play an important role in
modulating Alzheimer's disease pathology. These relatively less populated modifications …

Solid-state NMR reveals a comprehensive view of the dynamics of the flexible, disordered N-terminal domain of amyloid-β fibrils

DF Au, D Ostrovsky, R Fu, L Vugmeyster - Journal of Biological Chemistry, 2019 - ASBMB
Amyloid fibril deposits observed in Alzheimer's disease comprise amyloid-β (Aβ) protein
possessing a structured hydrophobic core and a disordered N-terminal domain (residues 1 …

Slow motions in the hydrophobic core of chicken villin headpiece subdomain and their contributions to configurational entropy and heat capacity from solid-state …

L Vugmeyster, D Ostrovsky, A Khadjinova, J Ellden… - Biochemistry, 2011 - ACS Publications
We have investigated microsecond to millisecond time scale dynamics in several key
hydrophobic core methyl groups of chicken villin headpiece subdomain protein (HP36) …

Deuteron Solid‐State NMR Relaxation Measurements Reveal Two Distinct Conformational Exchange Processes in the Disordered N‐Terminal Domain of Amyloid‐β …

L Vugmeyster, DF Au, D Ostrovsky, R Fu - ChemPhysChem, 2019 - Wiley Online Library
We employed deuterium solid‐state NMR techniques under static conditions to discern the
details of the μs–ms timescale motions in the flexible N‐terminal subdomain of Aβ1–40 …

Protein Dynamics in the Solid State from 2H NMR Line Shape Analysis: A Consistent Perspective

E Meirovitch, Z Liang, JH Freed - The Journal of Physical …, 2015 - ACS Publications
Deuterium line shape analysis of CD3 groups has emerged as a particularly useful tool for
studying microsecond–millisecond protein motions in the solid state. The models devised so …

Deuterium rotating frame NMR relaxation measurements in the solid state under static conditions for quantification of dynamics

L Vugmeyster, D Ostrovsky - Chemphyschem, 2019 - Wiley Online Library
The feasibility of static deuterium rotating frame NMR relaxation measurements for
characterization of slow timescale motions in powder systems is demonstrated. Using a …

Freezing of dynamics of a methyl group in a protein hydrophobic core at cryogenic temperatures by deuteron NMR spectroscopy

L Vugmeyster, D Ostrovsky, JJ Ford… - Journal of the American …, 2010 - ACS Publications
Methyl groups are thought to dominate the dynamics of proteins after slow collective modes
of motion freeze out in a glass-transition process. In this work we investigate methyl group …