Paramagnetic chemical probes for studying biological macromolecules

Q Miao, C Nitsche, H Orton, M Overhand… - Chemical …, 2022 - ACS Publications
Paramagnetic chemical probes have been used in electron paramagnetic resonance (EPR)
and nuclear magnetic resonance (NMR) spectroscopy for more than four decades. Recent …

Advances in the synthesis of nitroxide radicals for use in biomolecule spin labelling

MM Haugland, JE Lovett, EA Anderson - Chemical Society Reviews, 2018 - pubs.rsc.org
EPR spectroscopy is an increasingly useful analytical tool to probe biomolecule structure,
dynamic behaviour, and interactions. Nitroxide radicals are the most commonly used radical …

Nanomolar Pulse Dipolar EPR Spectroscopy in Proteins: CuII–CuII and Nitroxide–Nitroxide Cases

K Ackermann, JL Wort, BE Bode - The Journal of Physical …, 2021 - ACS Publications
The study of ever more complex biomolecular assemblies implicated in human health and
disease is facilitated by a suite of complementary biophysical methods. Pulse dipolar …

Pulse Dipolar EPR Reveals Double-Histidine Motif CuII–NTA Spin-Labeling Robustness against Competitor Ions

JL Wort, S Arya, K Ackermann… - The journal of physical …, 2021 - ACS Publications
Pulse-dipolar EPR is an appealing strategy for structural characterization of complex
systems in solution that complements other biophysical techniques. Significantly, the …

[HTML][HTML] A general model to optimise Cu II labelling efficiency of double-histidine motifs for pulse dipolar EPR applications

JL Wort, K Ackermann, DG Norman… - Physical Chemistry …, 2021 - pubs.rsc.org
Electron paramagnetic resonance (EPR) distance measurements are making increasingly
important contributions to studies of biomolecules underpinning health and disease by …

[HTML][HTML] Enhanced sensitivity for pulse dipolar EPR spectroscopy using variable-time RIDME

JL Wort, K Ackermann, A Giannoulis… - Journal of Magnetic …, 2023 - Elsevier
Pulse dipolar EPR spectroscopy (PDS) measurements are an important complementary tool
in structural biology and are increasingly applied to macromolecular assemblies implicated …

[HTML][HTML] Spectroscopically orthogonal labelling to disentangle site-specific nitroxide label distributions

V Vitali, K Ackermann, G Hagelueken… - Applied Magnetic …, 2024 - Springer
Biomolecular applications of pulse dipolar electron paramagnetic resonance spectroscopy
(PDS) are becoming increasingly valuable in structural biology. Site-directed spin labelling …

EPR Distance Measurements on Long Non‐coding RNAs Empowered by Genetic Alphabet Expansion Transcription

C Domnick, F Eggert, C Wuebben… - Angewandte …, 2020 - Wiley Online Library
We present herein a novel nitroxide spin label‐containing RNA triphosphate TPT3NO and
its application for site‐specific spin‐labeling of RNA through in vitro transcription using an …

[HTML][HTML] Selective cross-dehydrogenative C–O coupling of N-hydroxy compounds with pyrazolones. Introduction of the diacetyliminoxyl radical into the practice of …

IB Krylov, SA Paveliev, BN Shelimov… - Organic Chemistry …, 2017 - pubs.rsc.org
Oxidative C–O coupling of pyrazolones with N-hydroxy compounds of different classes (N-
hydroxyphthalimide, N-hydroxybenzotriazole, oximes) was achieved; both one-electron …

Diacetyliminoxyl as a selective radical reagent for organic synthesis: dehydrogenation and dehydrogenative C–O coupling reactions

AS Budnikov, IB Krylov, IV Kuzmin… - Organic Chemistry …, 2023 - pubs.rsc.org
The field of free-radical reagents in organic chemistry has been associated with aminoxyl
radicals (mainly TEMPO and its analogues) for a long time. Diacetyliminoxyl is the first …