Affiliation:
1. Centre for Artificial Intelligence Driven Drug Discovery, Faculty of Applied Sciences Macao Polytechnic University Macao China
2. Laboratory of Molecular Modeling and Design, State Key Laboratory of Molecular Reaction Dynamics Dalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian China
Abstract
AbstractPotassium (K+) channels play vital roles in various physiological functions, including regulating K+ flow in cell membranes, impacting nervous system signal transduction, neuronal firing, muscle contraction, neurotransmitters, and enzyme secretion. Their activation and switch‐off are directly linked to diseases like arrhythmias, atrial fibrillation, and pain etc. Although the experimental methods play important roles in the studying the structure and function of K+ channels, they are still some limitations to enclose the dynamic molecular processes and the corresponding mechanisms of conformational changes during ion transport, permeation, and gating control. Relatively, computational methods have obvious advantages in studying such problems compared with experimental methods. Recently, more and more three‐dimensional structures of K+ channels have been disclosed based on experimental methods and in silico prediction methods, which provide a good chance to study the molecular mechanism of conformational changes related to the functional regulations of K+ channels. Based on these structural details, molecular dynamics simulations together with related methods such as enhanced sampling and free energy calculations, have been widely used to reveal the conformational dynamics, ion conductance, ion channel gating, and ligand binding mechanisms. Additionally, the accessibility of structures also provides a large space for structure‐based drug design. This review mainly addresses the recent progress of computational methods in the structure, mechanism, and drug design of K+ channels. After summarizing the progress in these fields, we also give our opinion on the future direction in the area of K+ channel research combined with the cutting edge of computational methods.This article is categorized under:
Molecular and Statistical Mechanics > Molecular Dynamics and Monte‐Carlo Methods
Structure and Mechanism > Computational Biochemistry and Biophysics
Data Science > Chemoinformatics
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