Molecular mechanics of beta-sheets

N Cohen, CD Eisenbach - ACS Biomaterials Science & …, 2020 - ACS Publications
molecular models that capture the response of such domains upon mechanical loading and
illustrate the mechanisms … As opposed to molecular dynamics simulations, the analysis in …

Differential stability of beta-sheets and alpha-helices in beta-lactamase: a high temperature molecular dynamics study of unfolding intermediates

S Vijayakumar, S Vishveshwara, G Ravishanker… - Biophysical journal, 1993 - cell.com
… In the present study, high temperature molecular dynamics simulations have been carried
out on the native enzyme in solution. Analysis of these results in terms of root mean square …

Mechanical unfolding of alpha-and beta-helical protein motifs

EP DeBenedictis, S Keten - Soft Matter, 2019 - pubs.rsc.org
… Alpha-helices and beta-sheets are … Molecular Dynamics (SMD) simulations to mechanically
unfold multiple alpha- and beta-helical proteins at constant velocity at the single molecule

Mechanical energy transfer and dissipation in fibrous beta-sheet-rich proteins

Z Xu, MJ Buehler - Physical Review E—Statistical, Nonlinear, and Soft …, 2010 - APS
… In the molecular-dynamics simulation approach we employ the CHARMM19 all-atom …
dimensional lattice with beta sheets arranged in parallel. To visualize the molecular structure, only …

Molecular simulations of amyloid beta assemblies

G Grasso, A Danani - Advances in Physics: X, 2020 - Taylor & Francis
… The present review describes the applications of molecular dynamics techniques to …
The most stable Aβ dimer structure was characterized by the highest intermolecular beta-sheets

The molecular organization of the beta-sheet region in corneous beta-proteins (beta-keratins) of sauropsids explains its stability and polymerization into filaments

M Calvaresi, L Eckhart, L Alibardi - Journal of Structural Biology, 2016 - Elsevier
… algorithm indicates that this region is formed by four antiparallel beta-sheets. Molecular
dynamic simulations and Molecular Mechanics/Poisson Boltzmann Surface Area (MM–PBSA) …

Benchmarking the thermodynamic analysis of water molecules around a model beta sheet

DJ Huggins - Journal of computational chemistry, 2012 - Wiley Online Library
… Monte Carlo and molecular dynamics (MD) simulations using explicit water molecules have
… the shear that is characteristic of antiparallel beta sheets. [21] These two antiparallel strands …

Mechanism of enzymatic degradation of beta-sheet crystals

K Numata, P Cebe, DL Kaplan - Biomaterials, 2010 - Elsevier
… S1), indicating in a functional sense that the silk crystals used in this study were composed
of crystalline elements, namely beta-sheets. In contrast, the silk crystals exposed to the …

Molecular Modeling of Single Beta-Sheet and the Beta-Sheet Stack of Amyloid Beta Protein 25-35

V Duka, C Czaplewsky, I Liepina - Rigas Tehniskas …, 2011 - search.proquest.com
… We chose the parallel beta sheet for Abeta 25-35 peptide for molecular dynamics … are
probably not so important than the nearby beta sheets in a protofibril. The additional four strands in …

Alpha helices are more evolutionarily robust to environmental perturbations than beta sheets: Bayesian learning and statistical mechanics to protein evolution

T Takahashi, G Chikenji, K Tokita… - arXiv preprint arXiv …, 2024 - arxiv.org
… $\beta$-sheets. The latter result shows that protein structures rich in $\alpha$-helices are
more robust to … perturbations through successive generations than those rich in $\beta$-sheets. …