Extending the Range of Distances Accessible by 19F Electron–Nuclear Double Resonance in Proteins Using High-Spin Gd(III) Labels

A Bogdanov, V Frydman, M Seal… - Journal of the …, 2024 - ACS Publications
Fluorine electron-nuclear double resonance (19F ENDOR) has recently emerged as a
valuable tool in structural biology for distance determination between F atoms and a …

Genetic Encoding of Fluoro-l-tryptophans for Site-Specific Detection of Conformational Heterogeneity in Proteins by NMR Spectroscopy

H Qianzhu, EH Abdelkader, G Otting… - Journal of the American …, 2024 - ACS Publications
The substitution of a single hydrogen atom in a protein by fluorine yields a site-specific
probe for sensitive detection by 19F nuclear magnetic resonance (NMR) spectroscopy …

Structure and Flexibility of Copper‐Modified DNA G‐Quadruplexes Investigated by 19F ENDOR Experiments at 34 GHz**

SL Schumann, S Kotnig, Y Kutin… - … A European Journal, 2023 - Wiley Online Library
DNA G‐quadruplexes (GQs) are of great interest due to their involvement in crucial
biological processes such as telomerase maintenance and gene expression. Furthermore …

Structure and internal dynamics of short RNA duplexes determined by a combination of pulsed EPR methods and MD simulations

M Gauger, M Heinz, ALJ Halbritter, LS Stelzl… - Angewandte …, 2024 - Wiley Online Library
We used EPR spectroscopy to characterize the structure of RNA duplexes and their internal
twist, stretch and bending motions. We prepared eight 20‐base‐pair‐long RNA duplexes …

In‐Cell 19F NMR of Proteins: Recent Progress and Future Opportunities

Z Chai, C Li - Chemistry–A European Journal, 2024 - Wiley Online Library
In vitro, 19F NMR methodology is preferably selected as a complementary and
straightforward method for unveiling the conformations, dynamics, and interactions of …

19 F electron nuclear double resonance (ENDOR) spectroscopy for distance measurements using trityl spin labels in DNA duplexes

NB Asanbaeva, DS Novopashina… - Physical Chemistry …, 2023 - pubs.rsc.org
The combination of fluorine labeling and pulsed electron-nuclear double resonance
(ENDOR) is emerging as a powerful technique for obtaining structural information about …

[HTML][HTML] Bayesian optimization to estimate hyperfine couplings from 19F ENDOR spectra

H Wiechers, A Kehl, M Hiller, B Eltzner… - Journal of Magnetic …, 2023 - Elsevier
ENDOR spectroscopy is a fundamental method to detect nuclear spins in the vicinity of
paramagnetic centers and their mutual hyperfine interaction. Recently, site-selective …

Transient Structural Dynamics of Glycogen Phosphorylase from Nonequilibrium Hydrogen/Deuterium-Exchange Mass Spectrometry

M Kish, DP Ivory, JJ Phillips - Journal of the American Chemical …, 2023 - ACS Publications
It remains a major challenge to ascertain the specific structurally dynamic changes that
underpin protein functional switching. There is a growing need in molecular biology and …

Gadolinium Spin Decoherence Mechanisms at High Magnetic Fields

CB Wilson, M Qi, S Han… - The Journal of Physical …, 2023 - ACS Publications
Favorable relaxation processes, high-field spectral properties, and biological compatibility
have made spin-7/2 Gd3+-based spin labels an increasingly popular choice for protein …

Frequency swept pulses for the enhanced resolution of ENDOR spectra detecting on higher spin transitions of Gd (III)

CJ Rogers, A Bogdanov, M Seal, ME Thornton… - Journal of Magnetic …, 2023 - Elsevier
Abstract Half-Integer High Spin (HIHS) systems with zero-field splitting (ZFS) parameters
below 1 GHz are generally dominated by the spin|─ 1/2>→|+ 1/2> central transition (CT) …