突变在肽对病毒 RNA 分子的差异识别中的作用。
Role of Mutations in Differential Recognition of Viral RNA Molecules by Peptides.
机构信息
Department of Chemical Engineering, University of New Hampshire, Durham 03824, New Hampshire, United States.
出版信息
J Chem Inf Model. 2022 Jul 25;62(14):3381-3390. doi: 10.1021/acs.jcim.2c00376. Epub 2022 Jul 14.
Abstract
The conserved noncoding RNA elements in viral genomes interact with proteins to regulate various events during viral replication. We report studies on the recognition mechanisms of two helical peptides, namely, a native (Rev) peptide and a lab-evolved (RSG1.2) peptide, by a highly conserved viral RNA element from the human immunodeficiency virus 1 genome. Specifically, we investigated the physical interactions between the viral RNA molecule and helical peptides by computing free energy changes on mutating key amino acid residues involved in recognition of an internal loop in the viral RNA molecule.
摘要
病毒基因组中的保守非编码 RNA 元件与蛋白质相互作用，调节病毒复制过程中的各种事件。我们报告了两项研究，分别针对两种螺旋肽（即天然（Rev）肽和实验室进化（RSG1.2）肽）与来自人类免疫缺陷病毒 1 基因组的高度保守病毒 RNA 元件的识别机制。具体而言，我们通过计算涉及识别病毒 RNA 分子内部环的关键氨基酸残基突变的自由能变化，研究了病毒 RNA 分子与螺旋肽之间的物理相互作用。
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