A computational ONIOM model for the description of the H-bond interactions between NU2058 analogues and CDK2 active site

被引:18
作者
Alzate-Morales, Jans H. [1 ]
Caballero, Julio [1 ]
Gonzalez-Nilo, Fernando D. [1 ]
Contreras, Renato [2 ]
机构
[1] Univ Talca, Ctr Bioinformat & Simulac Mol, Casilla 721, Chile
[2] Univ Chile, Fac Sci, Dept Chem, Theoret Chem Grp, Santiago, Chile
关键词
DEPENDENT KINASE INHIBITORS; STRUCTURE-BASED DESIGN; SEMIEMPIRICAL METHODS; 2D AUTOCORRELATION; CELL-CYCLE; N-BUTANE; OPTIMIZATION; DERIVATIVES; ENERGY; PREDICTION;
D O I
10.1016/j.cplett.2009.08.020
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070305 [高分子化学与物理];
摘要
The ONIOM method was applied to study the hydrogen bond interactions between some CDK2 inhibitors and various models of the active site in CDK2/CyclinA system. It was found that according with the model's size, a good description of the molecular interactions inside the active site can be obtained. From best model, it was possible to obtain a reliable correlation between the total ONIOM energy and the biological activity reported for compounds studied. The results show that H-bond interaction energy is the principal component in this protein-ligand interaction and residues Lys89 and Asp86 are essential for great potency of compound NU6102. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:149 / 155
页数:7
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