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Exploring isoindolin-1-ones as potential CDK7 inhibitors using cheminformatic tools

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Abstract

In women who die from cancer, breast cancer is the most common cause of death. The development of small molecular scaffolds as specific Cyclin-dependent kinase (CDK) inhibitors is a promising strategy in the discovery of anti-breast cancer drugs. Isoindolin-1-ones are heterocyclic compounds with useful therapeutic properties. In this study, a library of 48 isoindolinones has been virtually screened by molecular docking that showed high binding affinity up to − 10.1 kcal/mol and conventional hydrogen bonding interactions with active amino acid residues of CDK7. The molecular dynamics simulation (MDS), fragment molecular orbital (FMO), density functional theory (DFT), and pharmacokinetics studies of the best two docked scored ligands 7 and 14 have been studied. Examining the ligand root mean square deviation and hydrogen bonding occupancy of the 100 ns MDS trajectory, both ligands 7 and 14 showed docked pose stability. FMO calculations displayed that LYS139 and LYS41 are majorly contributing to the binding interactions with ligands 7 and 14 in the docked poses. DFT studies of ligands 7 and 14 showed high values of global softness and low values of global hardness and chemical potential thus displaying chemically reactive soft molecules and this influences their anti-cancer activity. Our hits exhibited superior qualities to known CDK7 inhibitors, according to the comprehensive pharmacokinetic parameters that were predicted. The results indicate that isoindolin-1-one moieties are good candidates for anti-cancer action and could serve as effective CDK7 inhibitors.

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A supplementary data file of complete library of isoindolin-1-ones with CDK7 protein is provided.

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Acknowledgements

The authors are thankful to Delhi Technological University for infrastructure and support.

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C.A. and K.M. wrote the main manuscript text, did the docking studies, S.M. gave the initial concept, and R.S. reviewed the manuscript, and supervised.

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Correspondence to Ram Singh.

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Arora, C., Madaan, K., Mehta, S. et al. Exploring isoindolin-1-ones as potential CDK7 inhibitors using cheminformatic tools. In Silico Pharmacol. 12, 51 (2024). https://doi.org/10.1007/s40203-024-00225-0

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  • DOI: https://doi.org/10.1007/s40203-024-00225-0

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