It is of interest to develop p38α MAPK inhibitors. Docking, ADMET properties calculation, molecular dynamics, and MM-PBSA approaches were used to investigate the therapeutic potentials of p38α MAPK in complex with SB203580 (1A9U). The photo-molecules metergoline, withaphysacarpin, philadelphicalactone, canthin-6-one 9-glucoside, and SB-21600011 demonstrated high binding affinity compared to the reference drug. Furthermore, ADME profiles validated the drug-like properties of the prioritized phyto-compounds. Besides that, MD simulations were performed along with reference inhibitors for withaphysacarpin and metergoline to assess stability. Binding free energy calculations (MM-PBSA) revealed that metergoline and withaphysacarpin had estimated values (G) of 97.151 ± 21.023 kJ/mol and -82.084 ± 15.766 kJ/mol, respectively. In this study, metergoline and withaphysacarpin were found to have high affinity against p38α MAPK when compared to the reference compound SB 203580.
Keywords: molecular docking; molecular dynamic simulations; p38MAP kinases; phytochemicals.
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