Molecular Simulation of Proteins with Simplified Models

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Physics and Theory".

Deadline for manuscript submissions: closed (25 August 2022) | Viewed by 1926

Special Issue Editor


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Guest Editor
Department of Physics, Universitat Politècnica de Catalunya (UPC), 08034 Barcelona, Spain
Interests: coarse-grained protein models; molecular dynamics; protein-protein interactions; protein aggregation; disordered proteins

Special Issue Information

Dear Colleagues,

This Special Issue is focused on the current state of the art of simulation of protein interactions and dynamics with simplified models, with special interest in research works which exploit the capability of coarse-grained models to reach long time scales and extensive sampling in molecular dynamics simulations.

Coarse-grained protein models allow studying phenomena happening in time scales orders of magnitude beyond the microsecond scale, and therefore out of reach of standard atomistic explicit solvent molecular dynamics simulations for large systems involving several macromolecules, phenomena such as protein aggregation or large-scale conformational transitions. A great effort has been made during the last decade to parametrize simplified protein models and force fields accurate enough to properly describe the real behavior of the systems under study.

This Special Issue especially welcomes both methodological papers which propose new models or contribute to significant advances in the existing ones, and papers where these models are applied to cases of relevant biological interest related to protein dynamics or protein–protein interaction, as well as protein–lipid and protein–nucleic acid interaction.


Dr. Agusti Emperador
Guest Editor

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Keywords

  • Coarse-grained protein models
  • Implicit solvent
  • Molecular dynamics simulations
  • Protein–protein interaction
  • Protein aggregation
  • Intrinsically disordered proteins
  • Molecular recognition

Published Papers (1 paper)

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Research

11 pages, 1299 KiB  
Article
Accurate Description of Protein–Protein Recognition and Protein Aggregation with the Implicit-Solvent-Based PACSAB Protein Model
by Agustí Emperador
Polymers 2021, 13(23), 4172; https://0-doi-org.brum.beds.ac.uk/10.3390/polym13234172 - 29 Nov 2021
Cited by 2 | Viewed by 1373
Abstract
We used the PACSAB protein model, based on the implicit solvation approach, to simulate protein–protein recognition and study the effect of helical structure on the association of aggregating peptides. After optimization, the PACSAB force field was able to reproduce correctly both the correct [...] Read more.
We used the PACSAB protein model, based on the implicit solvation approach, to simulate protein–protein recognition and study the effect of helical structure on the association of aggregating peptides. After optimization, the PACSAB force field was able to reproduce correctly both the correct binding interface in ubiquitin dimerization and the conformational ensemble of the disordered protein activator for hormone and retinoid receptor (ACTR). The PACSAB model allowed us to predict the native binding of ACTR with its binding partner, reproducing the refolding upon binding mechanism of the disordered protein. Full article
(This article belongs to the Special Issue Molecular Simulation of Proteins with Simplified Models)
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