High-resolution single-molecule magnetic tweezers

HK Choi, HG Kim, MJ Shon… - Annual Review of …, 2022 - annualreviews.org
Single-molecule magnetic tweezers deliver magnetic force and torque to single target
molecules, permitting the study of dynamic changes in biomolecular structures and their …

Robust membrane protein tweezers reveal the folding speed limit of helical membrane proteins

S Kim, D Lee, WCB Wijesinghe, D Min - Elife, 2023 - elifesciences.org
Single-molecule tweezers, such as magnetic tweezers, are powerful tools for probing nm-
scale structural changes in single membrane proteins under force. However, the weak …

Mechanical stabilization of a bacterial adhesion complex

W Huang, S Le, Y Sun, DJ Lin, M Yao… - Journal of the …, 2022 - ACS Publications
The adhesions between Gram-positive bacteria and their hosts are exposed to varying
magnitudes of tensile forces. Here, using an ultrastable magnetic tweezer-based single …

Characterization of single synthetic polymers via magnetic tweezers

J Xie, W Zhou, X Mao, C Liu - Journal of Polymer Science, 2024 - Wiley Online Library
Due to the ability to perform the parallel measurement of multiple single chains and exert
precise control over stretching force in the sub‐nanonewton regime, magnetic tweezers (MT) …

Multi-domain interaction mediated strength-building in human α-actinin dimers unveiled by direct single-molecule quantification

Y Zhang, J Du, X Liu, F Shang, Y Deng, J Ye… - Nature …, 2024 - nature.com
Abstract α-Actinins play crucial roles in cytoskeletal mechanobiology by acting as force-
bearing structural modules that orchestrate and sustain the cytoskeletal framework, serving …

Structural domain in the Titin N2B-us region binds to FHL2 in a force-activation dependent manner

Y Sun, X Liu, W Huang, S Le, J Yan - Nature Communications, 2024 - nature.com
Titin N2B unique sequence (N2B-us) is a 572 amino acid sequence that acts as an elastic
spring to regulate muscle passive elasticity. It is thought to lack stable tertiary structures and …

Single-Molecule Force Spectroscopy Reveals the Dynamic HgS Coordination Site in the De Novo-Designed Metalloprotein α3DIV

Z Wang, Z Zhao, G Li, P Zheng - The Journal of Physical Chemistry …, 2022 - ACS Publications
The de novo-designed metalloprotein α3DIV binds to mercury via three cysteine residues
under dynamic conditions. An unusual trigonal three-coordinate HgS3 site is formed in the …

One-step asparaginyl endopeptidase (Oa AEP1)-based protein immobilization for single-molecule force spectroscopy

X Ding, Z Wang, B Zheng, S Shi, Y Deng, H Yu… - RSC Chemical …, 2022 - pubs.rsc.org
Enzymatic protein ligation has become the most powerful and widely used method for high-
precision atomic force microscopy single-molecule force spectroscopy (AFM-SMFS) study of …

Quantification of carboxylate‐bridged di‐zinc site stability in protein due ferri by single‐molecule force spectroscopy

Z Wang, M Wang, Z Zhao, P Zheng - Protein Science, 2023 - Wiley Online Library
Carboxylate‐bridged diiron proteins belong to a protein family involved in different
physiological processes. These proteins share the conservative EXXH motif, which provides …

Facile tethering of stable and unstable proteins for optical tweezers experiments

K Maciuba, F Zhang, CM Kaiser - Biophysical Journal, 2021 - cell.com
Single-molecule force spectroscopy with optical tweezers has emerged as a powerful tool
for dissecting protein folding. The requirement to stably attach" molecular handles" to …