Advanced Sampling Methods for Multiscale Simulation of Disordered Proteins and Dynamic Interactions

Intrinsically disordered proteins (IDPs) are highly prevalent and play important roles in biology and human diseases. It is now also recognized that many IDPs remain dynamic even in specific complexes and functional assemblies. Computer simulations are essential for deriving a molecular description...

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Main Authors: Xiping Gong, Yumeng Zhang, Jianhan Chen
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Biomolecules
Subjects:
Online Access:https://www.mdpi.com/2218-273X/11/10/1416
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author Xiping Gong
Yumeng Zhang
Jianhan Chen
author_facet Xiping Gong
Yumeng Zhang
Jianhan Chen
author_sort Xiping Gong
collection DOAJ
description Intrinsically disordered proteins (IDPs) are highly prevalent and play important roles in biology and human diseases. It is now also recognized that many IDPs remain dynamic even in specific complexes and functional assemblies. Computer simulations are essential for deriving a molecular description of the disordered protein ensembles and dynamic interactions for a mechanistic understanding of IDPs in biology, diseases, and therapeutics. Here, we provide an in-depth review of recent advances in the multi-scale simulation of disordered protein states, with a particular emphasis on the development and application of advanced sampling techniques for studying IDPs. These techniques are critical for adequate sampling of the manifold functionally relevant conformational spaces of IDPs. Together with dramatically improved protein force fields, these advanced simulation approaches have achieved substantial success and demonstrated significant promise towards the quantitative and predictive modeling of IDPs and their dynamic interactions. We will also discuss important challenges remaining in the atomistic simulation of larger systems and how various coarse-grained approaches may help to bridge the remaining gaps in the accessible time- and length-scales of IDP simulations.
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spelling doaj.art-f337d3236e794a0484a112235a62c4ea2023-11-22T17:33:11ZengMDPI AGBiomolecules2218-273X2021-09-011110141610.3390/biom11101416Advanced Sampling Methods for Multiscale Simulation of Disordered Proteins and Dynamic InteractionsXiping Gong0Yumeng Zhang1Jianhan Chen2Department of Chemistry, University of Massachusetts Amherst, Amherst, MA 01003, USADepartment of Chemistry, University of Massachusetts Amherst, Amherst, MA 01003, USADepartment of Chemistry, University of Massachusetts Amherst, Amherst, MA 01003, USAIntrinsically disordered proteins (IDPs) are highly prevalent and play important roles in biology and human diseases. It is now also recognized that many IDPs remain dynamic even in specific complexes and functional assemblies. Computer simulations are essential for deriving a molecular description of the disordered protein ensembles and dynamic interactions for a mechanistic understanding of IDPs in biology, diseases, and therapeutics. Here, we provide an in-depth review of recent advances in the multi-scale simulation of disordered protein states, with a particular emphasis on the development and application of advanced sampling techniques for studying IDPs. These techniques are critical for adequate sampling of the manifold functionally relevant conformational spaces of IDPs. Together with dramatically improved protein force fields, these advanced simulation approaches have achieved substantial success and demonstrated significant promise towards the quantitative and predictive modeling of IDPs and their dynamic interactions. We will also discuss important challenges remaining in the atomistic simulation of larger systems and how various coarse-grained approaches may help to bridge the remaining gaps in the accessible time- and length-scales of IDP simulations.https://www.mdpi.com/2218-273X/11/10/1416conformational ensembleenhanced samplinggeneralized BornGō-modelimplicit solventliquid-liquid phase transition
spellingShingle Xiping Gong
Yumeng Zhang
Jianhan Chen
Advanced Sampling Methods for Multiscale Simulation of Disordered Proteins and Dynamic Interactions
Biomolecules
conformational ensemble
enhanced sampling
generalized Born
Gō-model
implicit solvent
liquid-liquid phase transition
title Advanced Sampling Methods for Multiscale Simulation of Disordered Proteins and Dynamic Interactions
title_full Advanced Sampling Methods for Multiscale Simulation of Disordered Proteins and Dynamic Interactions
title_fullStr Advanced Sampling Methods for Multiscale Simulation of Disordered Proteins and Dynamic Interactions
title_full_unstemmed Advanced Sampling Methods for Multiscale Simulation of Disordered Proteins and Dynamic Interactions
title_short Advanced Sampling Methods for Multiscale Simulation of Disordered Proteins and Dynamic Interactions
title_sort advanced sampling methods for multiscale simulation of disordered proteins and dynamic interactions
topic conformational ensemble
enhanced sampling
generalized Born
Gō-model
implicit solvent
liquid-liquid phase transition
url https://www.mdpi.com/2218-273X/11/10/1416
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