[HTML][HTML] Electron paramagnetic resonance spectroscopy in structural-dynamic studies of large protein complexes

L Galazzo, E Bordignon - Progress in nuclear magnetic resonance …, 2023 - Elsevier
Macromolecular protein assemblies are of fundamental importance for many processes
inside the cell, as they perform complex functions and constitute central hubs where …

Orthogonal spin labeling and pulsed dipolar spectroscopy for protein studies

L Galazzo, M Teucher, E Bordignon - Methods in Enzymology, 2022 - Elsevier
Different types of spin labels are currently available for structural studies of biomolecules
both in vitro and in cells using Electron Paramagnetic Resonance (EPR) and pulse dipolar …

Direct observation of negative cooperativity in a detoxification enzyme at the atomic level by Electron Paramagnetic Resonance spectroscopy and simulation

X Bogetti, A Bogetti, J Casto, G Rule, L Chong… - Protein …, 2023 - Wiley Online Library
The catalytic activity of human glutathione S‐transferase A1‐1 (hGSTA1‐1), a homodimeric
detoxification enzyme, is dependent on the conformational dynamics of a key C‐terminal …

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 …

Differentiating between Label and Protein Conformers in Pulsed Dipolar EPR Spectroscopy with the dHis‐Cu2+(NTA) Motif

CA Heubach, Z Hasanbasri, D Abdullin… - … A European Journal, 2023 - Wiley Online Library
Pulsed dipolar EPR spectroscopy (PDS) in combination with site‐directed spin labeling is a
powerful tool in structural biology. However, the commonly used spin labels are conjugated …

Ligand-capped Cobalt (II) multiplies the value of the double-histidine motif for PCS NMR studies

W Zhu, DT Yang, AM Gronenborn - Journal of the American …, 2023 - ACS Publications
In structural studies by NMR, pseudocontact shifts (PCSs) provide both angular and distance
information. For proteins, incorporation of a di-histidine (diHis) motif, coordinated to Co2+ …

Pulse dipolar EPR for determining nanomolar binding affinities

K Ackermann, JL Wort, BE Bode - Chemical Communications, 2022 - pubs.rsc.org
Protein interaction studies often require very low concentrations and highly sensitive
biophysical methods. Here, we demonstrate that pulse dipolar electron paramagnetic …

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 …

Pulse Dipolar Electron Paramagnetic Resonance Spectroscopy Reveals Buffer-Modulated Cooperativity of Metal-Templated Protein Dimerization

M Oranges, JL Wort, M Fukushima… - The journal of …, 2022 - ACS Publications
Self-assembly of protein monomers directed by metal ion coordination constitutes a
promising strategy for designing supramolecular architectures complicated by the …

An optimal acquisition scheme for Q-band EPR distance measurements using Cu 2+-based protein labels

X Bogetti, Z Hasanbasri, HR Hunter… - Physical Chemistry …, 2022 - pubs.rsc.org
Recent advances in site-directed Cu2+ labeling of proteins and nucleic acids have added
an attractive new methodology to measure the structure-function relationship in …