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Titanium dioxide nanoparticle-protein interaction explained by docking approach.


ABSTRACT: Titanium dioxide has been proven for toxicity by in vitro and in vivo approaches, however, further studies are needed in nano-toxicological research using in silico analysis. In this study, Autodock 4.0.5 was used in an attempt to evaluate the interaction of titanium dioxide with proteins. Different cellular proteins were sorted to study the interaction, binding sites, and active sites as a pocket. These pockets have been determined using CastP - an online server. The analysis for the docked structures was performed with regard to the most efficient binding with amino acids. This study is the first of its kind to report on the in silico docking interaction of titanium dioxide nanoparticles without any surface modification. The higher negative binding energy shows strong binding of titanium dioxide with proteins. A strong interaction with different cellular proteins was observed, and more specifically, titanium dioxide nanoparticles showed frequent interaction with proline, lysine, as well as leusine.

SUBMITTER: Ranjan S 

PROVIDER: S-EPMC5863628 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Titanium dioxide nanoparticle-protein interaction explained by docking approach.

Ranjan Shivendu S   Dasgupta Nandita N   Sudandiradoss Chinnappan C   Ramalingam Chidambaram C   Kumar Ashtosh A  

International journal of nanomedicine 20180315 T-NANO 2014 Abstracts


Titanium dioxide has been proven for toxicity by in vitro and in vivo approaches, however, further studies are needed in nano-toxicological research using in silico analysis. In this study, Autodock 4.0.5 was used in an attempt to evaluate the interaction of titanium dioxide with proteins. Different cellular proteins were sorted to study the interaction, binding sites, and active sites as a pocket. These pockets have been determined using CastP - an online server. The analysis for the docked str  ...[more]

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