Delineating binding potential, stability of Sulforaphane‐N‐acetyl‐cysteine in the active site of histone deacetylase 2 and testing its cytotoxicity against distinct cancer lines through stringent molecular dynamics, DFT and cell‐based assays
Copyright policy )Delineating binding potential, stability of Sulforaphane‐N‐acetyl‐cysteine in the active site of histone deacetylase 2 and testing its cytotoxicity against distinct cancer lines through stringent molecular dynamics, DFT and cell‐based assays
AbstractHistone deacetylase 2 (HDAC2), an isozyme of Class I HDACs has potent imputations in actuating neurodegenerative signaling. Currently, there are sizeable therapeutic disquiets with the use of synthetic histone deacetylase inhibitors in disease management. This strongly suggests the unfulfilled medical necessity of plant substitutes for therapeutic intervention. Sulforaphane‐N‐acetyl‐cysteine (SFN‐N‐acetylcysteine or SFN‐NAC), a sulforaphane metabolite has shown significantly worthier activity against HDACs under in vitro conditions. However, the atomistic studies of SFN‐NAC against HDAC2 are currently lacking. Thus, the present study employed a hybrid strategy including extra‐precision (XP) grid‐based flexible molecular docking, molecular mechanics generalized born surface area (MM‐GBSA), e‐Pharmacophores method, and molecular dynamics simulation for exploring the binding strengh, mode of interaction, e‐Pharmacophoric features, and stability of SFN‐NAC towards HDAC2. Further, the globally acknowledged density functional theory (DFT) study was performed on SFN‐NAC and entinostat individually in complex state with HDAC2. Apart from this, these inhibitors were tested against three distinct cancer cell models and one transformed cell line for cytotoxic activity. Moreover, double mutant of HDAC2 was generated and the binding orientation and interaction of SFN‐NAC was scrutinized in this state. On the whole, this study unbosomed and explained the comparatively higher binding affinity of entinostat for HDAC2 and its wide spectrum cytotoxicity than SFN‐NAC.
Binding Sites, Cell Survival, Pyridines, Histone Deacetylase 2, Antineoplastic Agents, Hydrogen Bonding, Acetylcysteine, Histone Deacetylase Inhibitors, Molecular Docking Simulation, Drug Stability, Isothiocyanates, Mutagenesis, Catalytic Domain, Cell Line, Tumor, Sulfoxides, Benzamides, Humans, Thermodynamics, Density Functional Theory
Binding Sites, Cell Survival, Pyridines, Histone Deacetylase 2, Antineoplastic Agents, Hydrogen Bonding, Acetylcysteine, Histone Deacetylase Inhibitors, Molecular Docking Simulation, Drug Stability, Isothiocyanates, Mutagenesis, Catalytic Domain, Cell Line, Tumor, Sulfoxides, Benzamides, Humans, Thermodynamics, Density Functional Theory
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