Computational analysis of N-H•••π interactions and its impact on the structural stability of β-lactamases

被引:15
|
作者
Lavanya, P. [1 ]
Ramaiah, Sudha [1 ]
Anbarasu, Anand [1 ]
机构
[1] VIT Univ, Sch Biosci & Technol, Med & Biol Comp Lab, Vellore 632014, Tamil Nadu, India
关键词
N-H center dot center dot center dot pi hydrogen bonds; beta-lactamases; Stabilization centers; Conservation; Solvent accessibility; Secondary structure; O HYDROGEN-BONDS; PHYLOGENETIC INFORMATION; STABILIZATION CENTERS; SOLVENT ACCESSIBILITY; FUNCTIONAL REGIONS; GLOBULAR-PROTEINS; ALPHA-HELICES; AMINO-ACIDS; RESISTANCE; IDENTIFICATION;
D O I
10.1016/j.compbiomed.2013.12.008
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Studies on intra-protein interactions provide valuable information on protein conformation. The aim of our study is to explore the functional importance of residues participating in N-H center dot center dot center dot pi hydrogen bonds in maintaining the conformational stability of beta-lactamases. Our results show that most of the residues participating in N-H center dot center dot center dot pi hydrogen bond formation are functionally important and play a significant role in stabilizing the structure with more than one stabilizing region. Our findings reveal the importance of N-H center dot center dot center dot pi hydrogen bonds in the stability of beta-lactamases. These findings may be helpful for medicinal and computational protein chemists working in the area of enzyme mediated antibiotic resistance. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:22 / 28
页数:7
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