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Volume 21, Issue 2
  • ISSN: 1573-4099
  • E-ISSN: 1875-6697

Abstract

Background

Anti-tubercular drug discovery is a critical research area aimed at addressing the global health burden imposed by . Nowadays, computational techniques have increased the likelihood of drug development compared to traditional, labor-intensive, and time-consuming drug design approaches. The pivotal goal of drug design is to identify compounds capable of selectively targeting protein, thereby disrupting its enzymatic activity. InhA, or NADH-dependent enoyl-acyl carrier protein reductase, stands at the forefront of targeted approaches in the battle against TB. Isatin derivatives have garnered interest for their diverse pharmacological activities.

Objectives

To identify novel isatin derivatives that could serve as potential chemical templates for anti-TB drug discovery by targeting InhA.

Methods

The present work utilized various computational approaches, including molecular docking, binding free energy calculations, and conformational alignment studies to investigate the binding mode and interactions of carefully selected dataset of 88 isatin derivatives within InhA active site. Study also employed MD simulations of the most promising molecule to check the stability of the protein-ligand complex and ADMET profiling of the top compounds to predict their pharmacokinetic and toxicity properties.

Results

Results provided insights into the structural features contributing to InhA inhibition, assessing overall drug-like characteristics of isatin derivatives and identified compound (BA= -10.4 kcal mol-1) with potential for further optimization. MD simulation analysis revealed that compound binds firmly within the InhA protein, exhibiting minimal conformational fluctuations and enhanced stability.

Conclusion

Considering the aforementioned, isatin derivatives represents a novel framework for creating targeted InhA inhibitors during anti- therapy. However, experimental validations and in-depth analyses are crucial to confirm efficacy and safety of these derivatives as potential InhA inhibitors for TB treatment.

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2024-09-13
2025-04-04

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Computational Exploration of Isatin Derivatives for InhA Inhibition in Tuberculosis: Molecular Docking, MD Simulations and ADMET Insights
Curr. Computeraided Drug Des. 21, 226 (2025); https://doi.org/10.2174/0115734099333313240909103833
/content/journals/cad/10.2174/0115734099333313240909103833
/content/journals/cad/10.2174/0115734099333313240909103833
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  • Article Type:     Research Article
Keyword(s): ADMET; conformational alignment studies; InhA or NADH-dependent enoyl-acyl carrier protein (ACP) reductase; isatin derivatives; MD simulations; molecular docking; Tuberculosis

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