Cover image of the article: A Computational Study of Some Benzenesulfonamide Derivatives as HIV- 1 Protease Enzyme Inhibitors: Three-Dimensional Quantitative Structure-Activity Relationship and Molecular Docking

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A Computational Study of Some Benzenesulfonamide Derivatives as HIV- 1 Protease Enzyme Inhibitors: Three-Dimensional Quantitative Structure-Activity Relationship and Molecular Docking

Authors

Rahman AbdizadeRahman Abdizade ORCID1, Tooba AbdizadehTooba Abdizadeh ORCID2,*
1Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
2Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
*Corresponding Author: Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran. Email: [email protected]

Koomesh:Vol. 27, issue 6; e159682
Published online:Oct 12, 2025
Article type:Research Article
How to Cite:Abdizade R, Abdizadeh T. A Computational Study of Some Benzenesulfonamide Derivatives as HIV- 1 Protease Enzyme Inhibitors: Three-Dimensional Quantitative Structure-Activity Relationship and Molecular Docking. koomesh. 2025;27(6):e159682. doi: https://doi.org/10.69107/koomesh-159682

Abstract

Background: The prevalence of human immunodeficiency virus 1 (HIV-1) infection remains a global concern due to the lack of a definitive treatment. Human immunodeficiency virus 1 protease is a homodimeric aspartic protease enzyme essential in the maturation process of HIV protein and could be a promising target for treating retrovirus infections.

Objectives: This study aims to use three-dimensional quantitative structure-activity relationships (3D-QSAR) and molecular docking methods to design HIV-1 protease inhibitors.

Method: The 3D-QSAR method was studied on a set of HIV-1 protease inhibitors utilizing comparative molecular field analysis (COMFA) and comparative molecular similarity indices analysis (COMSIA) models. The Distill method was employed for molecule alignment, and the 3D-QSAR models were generated, and contour maps were analyzed. Several new molecules were designed using contour maps obtained from the CoMSIA model, and their activities were predicted using the QSAR tool. Additionally, a molecular Docking protocol was used to determine the binding modes and to obtain the best molecule conformations. The pharmacokinetic profile of these compounds was predicted through an in silico absorption, distribution, metabolism, and excretion (ADMET) study.

Results: The statistical parameters of both the CoMFA (q2 = 0.692, r2ncv = 0.910, r2pred = 0.721) and CoMSIA (q2 = 0.715, r2ncv = 0.953, r2pred = 0.789) models exhibit high predictive ability. According to the CoMSIA model findings, a series of novel HIV-1 protease inhibitors was introduced with more potent activity than the most active phenyl sulfonamide compound, and docking results revealed extensive hydrogen and hydrophobic interactions in the binding of the designed molecules to the HIV-1 protease. Moreover, they possess favorable pharmacokinetic properties.

Conclusions: The 3D-QSAR and molecular docking techniques will help rationalize the design of the novel inhibitors targeting the HIV-1 protease.

Highlights

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Copyright

© 2025, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.

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