GdIII19F Distance Measurements for Proteins in Cells by Electron‐Nuclear Double Resonance

M Seal, W Zhu, A Dalaloyan, A Feintuch… - Angewandte …, 2023 - Wiley Online Library
Studies of protein structure and dynamics are usually carried out in dilute buffer solutions,
conditions that differ significantly from the crowded environment in the cell. The double …

Structural insights into the half-of-sites reactivity in homodimeric and homotetrameric metalloenzymes

RC Nguyen, C Stagliano, A Liu - Current Opinion in Chemical Biology, 2023 - Elsevier
Half-of-sites reactivity in many homodimeric and homotetrameric metalloenzymes has been
known for half a century, yet its benefit remains poorly understood. A recently reported cryo …

Short-range ENDOR distance measurements between Gd (iii) and trifluoromethyl labels in proteins

M Judd, EH Abdelkader, M Qi, JR Harmer… - Physical Chemistry …, 2022 - pubs.rsc.org
The measurement of distances in proteins can be challenging in the 5–20 Å range, which is
outside those accessible through conventional NMR and EPR methods. Recently it was …

[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 …

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 …

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 …

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 …

Direct proton-coupled electron transfer between interfacial tyrosines in ribonucleotide reductase

J Zhong, CR Reinhardt… - Journal of the American …, 2023 - ACS Publications
Ribonucleotide reductase (RNR) regulates DNA synthesis and repair in all organisms. The
mechanism of Escherichia coli RNR requires radical transfer over a proton-coupled electron …

Radical Transport Facilitated by a Proton Transfer Network at the Subunit Interface of Ribonucleotide Reductase

C Cui, DY Song, CL Drennan, JA Stubbe… - Journal of the …, 2023 - ACS Publications
Ribonucleotide reductases (RNRs) play an essential role in the conversion of nucleotides to
deoxynucleotides in all organisms. The Escherichia coli class Ia RNR requires two …

Selective incorporation of 5‐hydroxytryptophan blocks long range electron transfer in oxalate decarboxylase

AJ Pastore, A Montoya, M Kamat, KB Basso… - Protein …, 2023 - Wiley Online Library
Oxalate decarboxylase from Bacillus subtilis is a binuclear Mn‐dependent acid stress
response enzyme that converts the mono‐anion of oxalic acid into formate and carbon …