A theoretical insight in interactions of some chemical compounds as mTOR inhibitors

Abstract Background A series of known Food and Drug Administration (FDA) approved anticancer drugs were collected from the literature and docked against mTOR receptor which has been identified in present time as a target for therapeutic anticancer agents. The compounds binding affinity were calculat...

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Bibliographic Details
Main Authors: David Ebuka Arthur, Jibrin Noah Akoji, Riadh Sahnoun, Greatman C. Okafor, Karimatu Lami Abdullahi, Samira A. Abdullahi, Charles Mgbemena
Format: Article
Language:English
Published: SpringerOpen 2021-03-01
Series:Bulletin of the National Research Centre
Subjects:
Online Access:https://doi.org/10.1186/s42269-021-00525-x
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Summary:Abstract Background A series of known Food and Drug Administration (FDA) approved anticancer drugs were collected from the literature and docked against mTOR receptor which has been identified in present time as a target for therapeutic anticancer agents. The compounds binding affinity were calculated after minimising the interaction within the binding pockets’ of the mTOR (4JT6) receptor. Results The result shows that PF-04691502 ligand best inhibited mTOR while occupying the Adenosine triphosphate (ATP)-binding site on the receptor. PF-04691502 had the best binding affinity with a reported value of − 39.261 kcal/mol, and a hydrogen bond energy contribution of − 8.326 kcal/mol. Polamid529 is also found to have a good binding affinity of − 36.75 kcal/mol with the receptor, but was less significant than that calculated for the reference or standard inhibitor (X6K) used (− 37.862 kcal/mol). Further analysis revealed that Palomid529 formed a more stable complex with the receptor than torin2 and X6K due to the significant hydrogen bond contributions it adds to its overall binding score. Conclusion PF-04691502 ligand was identified as the best inhibitor due to its high binding affinity for mTOR and should be considered as the best alternative to the reference inhibitor X6K.
ISSN:2522-8307