Protein kinases as antituberculosis targets  The case of thymidylate kinases

Sukumar, Sunanda; Krishman, A; Mka, Khan

doi:10.2741/4871

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2023

2024

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Cited by 8 publications

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“…Protein kinases have been propagated as valuable drug targets against various pathogens, from bacteria to protozoan and helminth parasites (54)(55)(56). In liver flukes, however, until now only little attention was paid to kinases and kinase inhibitors.…”

Section: Discussionmentioning

confidence: 99%

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Section: Discussionmentioning

confidence: 99%

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Identification of mycobacterial Thymidylate kinase inhibitors: a comprehensive pharmacophore, machine learning, molecular docking, and molecular dynamics simulation studies

Chikhale,

Pawar,

Kolpe

et al. 2024

Mol Divers

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Thymidylate kinase (TMK) is a pivotal enzyme in Mycobacterium tuberculosis (Mtb), crucial for phosphorylating thymidine monophosphate (dTMP) to thymidine diphosphate (dTDP), thereby playing a critical role in DNA biosynthesis. Dysregulation or inhibition of TMK activity disrupts DNA replication and cell division, making it an attractive target for anti-tuberculosis drug development. In this study, the statistically validated pharmacophore mode was developed from a set of known TMK inhibitors. Further, the robust pharmacophore was considered for screening the Enamine database. The chemical space was reduced through multiple molecular docking approaches, pharmacokinetics, and absolute binding energy estimation. Two different molecular docking algorithms favor the strong binding affinity of the proposed molecules towards TMK. Machine learning-based absolute binding energy also showed the potentiality of the proposed molecules. The binding interactions analysis exposed the strong binding affinity between the proposed molecules and active site amino residues of TMK. Several statistical parameters from all atoms MD simulation explained the stability between proposed molecules and TMK in the dynamic states. The MM-GBSA approach also found a strong binding affinity for each proposed molecule. Therefore, the proposed molecules might be crucial TMK inhibitors for managing Mtb inhibition subjected to in vitro/in vivo validations.

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