Theoretical studies on binding modes of copper-based nucleases with DNA

Journal of Molecular Graphics & Modelling
Chunmei LiuMingsheng Tang

Abstract

In the present work, molecular simulations were performed for the purpose of predicting the binding modes of four types of copper nucleases (a total 33 compounds) with DNA. Our docking results accurately predicted the groove binding and electrostatic interaction for some copper nucleases with B-DNA. The intercalation modes were also reproduced by "gap DNA". The obtained results demonstrated that the ligand size, length, functional groups and chelate ring size bound to the copper center could influence the binding affinities of copper nucleases. The binding affinities obtained from the docking calculations herein also replicated results found using MM-PBSA approach. The predicted DNA binding modes of copper nucleases with DNA will ultimately help us to better understand the interaction of copper compounds with DNA.

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Citations

Jan 26, 2018·Frontiers in Molecular Biosciences·Changhao WangRay Luo
Mar 23, 2019·Journal of Biomolecular Structure & Dynamics·Nabajyoti BaildyaAsoke P Chattopadhyay

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