In Silico Study of Solvation Effects in Solutions of Biomolecules: Possibilities of an Approach Based on the 3D-Distribution of Solvent Atomic Density

IF 4.033 Q4 Biochemistry, Genetics and Molecular Biology
S. E. Kruchinin, M. V. Fedotova, E. E. Kislinskaya, G. N. Chuev
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引用次数: 0

Abstract

Biomolecular solvation plays a key role in nature. Biological activity and target functions of molecules depend on the features of the process. However, hydration of biomolecules is an intricate problem in both experimental research and computer simulations. The possibilities of the non-empirical 3D-SDFT/3D-RISM approach based on the 3D-distribution of the solvent atomic density to study the features of biomolecule hydration were demonstrated with examples of a number of amino acids (Gly-ZW, L-Ala-ZW, L-Val-ZW, and L-Pro-ZW), two model proteins (bovine pancreatic trypsin inhibitor (BPTI)) and protein tyrosine phosphatase 1B (PTP1B)), and PTP1B complexes with inhibitors. The results showed that using this approach it is possible to simultaneously obtain a detailed and holistic description of the hydration shell structure of biomolecules.

Abstract Image

生物大分子溶液溶解效应的硅学研究:基于溶剂原子密度三维分布的方法的可能性
摘要 生物分子溶解在自然界中发挥着关键作用。分子的生物活性和目标功能取决于这一过程的特征。然而,无论是在实验研究还是计算机模拟中,生物分子的水合作用都是一个错综复杂的问题。我们以一些氨基酸(Gly-ZW、L-Ala-ZW、L-Val-ZW 和 L-Pro-ZW)、两种模型蛋白质(牛胰蛋白酶抑制剂 (BPTI) 和蛋白酪氨酸磷酸酶 1B (PTP1B))以及 PTP1B 与抑制剂的复合物为例,展示了基于溶剂原子密度三维分布的非经验三维-SDFT/三维-RISM 方法研究生物大分子水合特征的可能性。结果表明,使用这种方法可以同时获得生物大分子水合壳结构的详细和整体描述。
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来源期刊
Biophysics
Biophysics Biochemistry, Genetics and Molecular Biology-Biophysics
CiteScore
1.20
自引率
0.00%
发文量
67
期刊介绍: Biophysics is a multidisciplinary international peer reviewed journal that covers a wide scope of problems related to the main physical mechanisms of processes taking place at different organization levels in biosystems. It includes structure and dynamics of macromolecules, cells and tissues; the influence of environment; energy transformation and transfer; thermodynamics; biological motility; population dynamics and cell differentiation modeling; biomechanics and tissue rheology; nonlinear phenomena, mathematical and cybernetics modeling of complex systems; and computational biology. The journal publishes short communications devoted and review articles.
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