alexa Spectroscopic and Molecular Docking Approaches for Inve
ISSN: 2161-0398

Journal of Physical Chemistry & Biophysics
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Research Article

Spectroscopic and Molecular Docking Approaches for Investigating the Interaction of Fenvalerate with Human Serum Albumin

Samira Davoudmanesh1*, Shahrzad Hadichegeni2, Bahram Goliaei3, Mohammad Taghizadeh4, Saeed Hesami Tackallou5, Fereshte Taghavi6 and Mehrdad Hashemi7

1Department of Biochemistry-Biophysics, Faculty of Bioscience and Biotechnology, Malek Ashtar University of Technology, Tehran, Iran

2Department of Biophysics, Islamic Azad University, Science and Research Branch, Tehran, Iran

3Institute of Biochemistry and Biophysics (IBB), Tehran University, Tehran, Iran

4Department of Bioinformatics, Institute of Biochemistry and Biophysics (IBB), Tehran University, Tehran, Iran

5Department of Biology, Faculty of Basic Sciences, Islamic Azad University, Central Tehran Branch (CTB), Tehran, Iran

6Department of Biophysics, Tarbiat-Modares University, Tehran, Iran

7Department of Genetic, Islamic Azad University, Tehran Medical Branch, Tehran, Iran

*Corresponding Author:
Samira Davoudmanesh
Department of Biochemistry- Biophysics
Faculty of Bioscience and Biotechnology
Malek Ashtar University of Technology, Tehran, Iran
Tel: +982122945141
Fax: +982122935341
E-mail: [email protected]

Received Date: May 26, 2017 Accepted Date: June 01, 2017 Published Date: June 07, 2017

Citation: Davoudmanesh S, Hadichegeni S, Goliaei B, Taghizadeh M, Tackallou SH, et al. (2017) Spectroscopic and Molecular Docking Approaches for Investigating the Interaction of Fenvalerate with Human Serum Albumin. J Phys Chem Biophys 7: 246. doi: 10.4172/2161-0398.1000246

Copyright: © 2017 Davoudmanesh S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Fenvalerate is an insecticide which is widely utilized in agriculture. In this research, the interaction of fenvalerate with HSA, which is a blood carrier of small molecules such as drugs and toxins, is investigated. Four different methods, UV-Vis, FT-IR spectroscopy, Fluorescence spectroscopy, and molecular modeling were used to characterize the binding properties of fenvalerate with HSA at the molecular level under physiological conditions. The binding constant, which was obtained via UV-Vis spectroscopy, was computed to be KHSA/Fen=3.78 × 10+4 M-1, which indicated a relatively strong binding interactions between ligands and receptors. FT-IR results indicated a decrease in α-helixes from 55% to 50.23% and an increase in β-sheet from 13.96% to 16.82%, β-antiparallel from 6% to 8.93%, were observed on first and thirtieth day and a major decrease of α-helix from 42.99% to 38.82% and an increase in β-sheet from 1.9% to 13.9%, β-antiparallel from 2.21% to 2.53% were observed during ligand binding especially at high concentrations of ligand. The fluorescence intensity of HSA decreased regularly with the gradually increasing concentration of fenvalerate. These results also could be an evidence for binding ligands to the receptors and they were in good agreement with UV-Vis results. On the other hand, a potential binding site in the region III-B of HSA protein was determined via docking calculations. In addition, the obtained results indicate a binding site for interaction of fenvalerate with HSA, which is a chance for excreting this toxin by utilizing HSA protein.

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