Exploring protein conformations in vitro and in cell with EPR distance measurements

D Goldfarb - Current opinion in structural biology, 2022 - Elsevier
The electron–electron double resonance (DEER) method, which provides distance
distributions between two spin labels, attached site specifically to biomolecules (proteins …

[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 …

Darobactin B Stabilises a Lateral‐Closed Conformation of the BAM Complex in E. coli Cells

SF Haysom, J Machin, JM Whitehouse… - Angewandte Chemie …, 2023 - Wiley Online Library
The β‐barrel assembly machinery (BAM complex) is essential for outer membrane protein
(OMP) folding in Gram‐negative bacteria, and represents a promising antimicrobial target …

Peptide-RNA coacervates as a cradle for the evolution of folded domains

M Seal, O Weil-Ktorza, D Despotovic… - Journal of the …, 2022 - ACS Publications
Peptide-RNA coacervates can result in the concentration and compartmentalization of
simple biopolymers. Given their primordial relevance, peptide-RNA coacervates may have …

In-cell double electron–electron resonance at nanomolar protein concentrations

S Kucher, C Elsner, M Safonova, S Maffini… - The Journal of …, 2021 - ACS Publications
Electron paramagnetic resonance (EPR) spectroscopy is an established technique to site-
specifically monitor conformational changes of spin-labeled biomolecules. Emerging in-cell …

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 …

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 Electron Paramagnetic Resonance Spectroscopy Distance Measurements at Low Nanomolar Concentrations: The CuII-Trityl Case

K Ackermann, CA Heubach… - The Journal of …, 2024 - ACS Publications
Recent sensitivity enhancements in pulse dipolar electron paramagnetic resonance
spectroscopy (PDS) have afforded distance measurements at submicromolar spin …

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 …

Time‐Resolved Mn2+−NO and NO−NO Distance Measurements Reveal That Catalytic Asymmetry Regulates Alternating Access in an ABC Transporter**

M Rudolph, R Tampé, B Joseph - … Chemie International Edition, 2023 - Wiley Online Library
ATP‐binding cassette (ABC) transporters shuttle diverse substrates across biological
membranes. Transport is often achieved through a transition between an inward‐facing (IF) …