[HTML][HTML] Next generation methods for single-molecule force spectroscopy on polyproteins and receptor-ligand complexes

B Yang, Z Liu, H Liu, MA Nash - Frontiers in Molecular Biosciences, 2020 - frontiersin.org
Single-molecule force spectroscopy with the atomic force microscope provides molecular
level insights into protein function, allowing researchers to reconstruct energy landscapes …

[HTML][HTML] High-speed force spectroscopy: microsecond force measurements using ultrashort cantilevers

C Valotteau, F Sumbul, F Rico - Biophysical reviews, 2019 - Springer
Complete understanding of the role of mechanical forces in biological processes requires
knowledge of the mechanical properties of individual proteins and living cells. Moreover, the …

Type III secretion system effector proteins are mechanically labile

MA LeBlanc, MR Fink, TT Perkins… - Proceedings of the …, 2021 - National Acad Sciences
Multiple gram-negative bacteria encode type III secretion systems (T3SS) that allow them to
inject effector proteins directly into host cells to facilitate colonization. To be secreted …

Modulation of a protein-folding landscape revealed by AFM-based force spectroscopy notwithstanding instrumental limitations

DT Edwards, MA LeBlanc… - Proceedings of the …, 2021 - National Acad Sciences
Single-molecule force spectroscopy is a powerful tool for studying protein folding. Over the
last decade, a key question has emerged: how are changes in intrinsic biomolecular …

Quantifying a light-induced energetic change in bacteriorhodopsin by force spectroscopy

DR Jacobson, TT Perkins - Proceedings of the National …, 2024 - National Acad Sciences
Ligand-induced conformational changes are critical to the function of many membrane
proteins and arise from numerous intramolecular interactions. In the photocycle of the model …

[HTML][HTML] Force spectroscopy with 9-μs resolution and sub-pN stability by tailoring AFM cantilever geometry

DT Edwards, JK Faulk, MA LeBlanc, TT Perkins - Biophysical journal, 2017 - cell.com
Atomic force microscopy (AFM)-based single-molecule force spectroscopy (SMFS) is a
powerful yet accessible means to characterize the unfolding/refolding dynamics of individual …

Quantifying the native energetics stabilizing bacteriorhodopsin by single-molecule force spectroscopy

H Yu, DR Jacobson, H Luo, TT Perkins - Physical Review Letters, 2020 - APS
We quantified the equilibrium (un) folding free energy Δ G 0 of an eight-amino-acid region
starting from the fully folded state of the model membrane-protein bacteriorhodopsin using …

[HTML][HTML] Membrane-protein unfolding intermediates detected with enhanced precision using a zigzag force ramp

DR Jacobson, L Uyetake, TT Perkins - Biophysical Journal, 2020 - cell.com
Precise quantification of the energetics and interactions that stabilize membrane proteins in
a lipid bilayer is a long-sought goal. Toward this end, atomic force microscopy has been …

Free-energy changes of bacteriorhodopsin point mutants measured by single-molecule force spectroscopy

DR Jacobson, TT Perkins - Proceedings of the National …, 2021 - National Acad Sciences
Single amino acid mutations provide quantitative insight into the energetics that underlie the
dynamics and folding of membrane proteins. Chemical denaturation is the most widely used …

[HTML][HTML] Concurrent atomic force spectroscopy

C Pimenta-Lopes, C Suay-Corredera… - Communications …, 2019 - nature.com
Force-spectroscopy by atomic force microscopy (AFM) is the technique of choice to measure
mechanical properties of molecules, cells, tissues and materials at the nano and micro …