Phase transition-induced elasticity of α-helical bioelastomeric fibres and networks

A Miserez, PA Guerette - Chemical Society Reviews, 2013 - pubs.rsc.org
Natural elastomeric fibres play central structural and functional roles in a variety of tissues
produced by many organisms from diverse Phyla. Most of these fibres feature amorphous …

Molecular mechanics of coiled coils loaded in the shear geometry

M Goktas, C Luo, RMA Sullan, AE Bergues-Pupo… - Chemical …, 2018 - pubs.rsc.org
Coiled coils are important nanomechanical building blocks in biological and biomimetic
materials. A mechanistic molecular understanding of their structural response to mechanical …

Effects of Proline on Internal Friction in Simulated Folding Dynamics of Several Alanine-Based α-Helical Peptides

A Świątek, K Kuczera… - The Journal of Physical …, 2024 - ACS Publications
We have studied in silico the effect of proline, a model cosolvent, on local and global friction
coefficients in (un) folding of several typical alanine-based α-helical peptides. Local friction …

Unorthodox PCNA binding by chromatin assembly factor 1

A Gopinathan Nair, N Rabas, S Lejon… - International journal of …, 2022 - mdpi.com
The eukaryotic DNA replication fork is a hub of enzymes that continuously act to synthesize
DNA, propagate DNA methylation and other epigenetic marks, perform quality control, repair …

Viscoelasticity of single folded proteins using dynamic atomic force microscopy

SPS Deopa, S Patil - Soft Matter, 2023 - pubs.rsc.org
The advent of atomic force microscopy, along with optical tweezers, ushered in a new field of
single molecule force spectroscopy, wherein the response of a single protein or a …

Direct and simultaneous measurement of the stiffness and internal friction of a single folded protein

SPS Deopa, SS Rajput, A Kumar… - The Journal of Physical …, 2022 - ACS Publications
The nanomechanical response of a folded single protein, the natural nanomachine
responsible for myriad biological processes, provides insight into its function. The …

Investigating the dynamic viscoelasticity of single polymer chains using atomic force microscopy

X Liang, K Nakajima - Journal of Polymer Science Part B …, 2019 - Wiley Online Library
In single‐molecule force spectroscopy (SMFS), many studies have focused on the elasticity
and conformation of polymer chains, but little attention has been devoted to the dynamic …

Tracking UNC-45 chaperone-myosin interaction with a titin mechanical reporter

CM Kaiser, PJ Bujalowski, L Ma, J Anderson… - Biophysical journal, 2012 - cell.com
Myosins are molecular motors that convert chemical energy into mechanical work.
Allosterically coupling ATP-binding, hydrolysis, and binding/dissociation to actin filaments …

Analytical Approaches for Deriving Friction Coefficients for Selected α-Helical Peptides Based Entirely on Molecular Dynamics Simulations

A Wosztyl, K Kuczera… - The Journal of Physical …, 2022 - ACS Publications
In this paper we derive analytically from molecular dynamics (MD) simulations the friction
coefficients related to conformational transitions within several model peptides with α-helical …

Combined molecular/continuum modeling reveals the role of friction during fast unfolding of coiled-coil proteins

A Torres-Sánchez, JM Vanegas, PK Purohit, M Arroyo - Soft matter, 2019 - pubs.rsc.org
Coiled-coils are filamentous proteins that form the basic building block of important force-
bearing cellular elements, such as intermediate filaments and myosin motors. In addition to …