MD Simulation of SARS-CoV-2 main protease (PDB ID: 6LU7) with withanolide A using LARMD online server. (A) Ligand-protein conformation (B) RMSD of receptor and ligand (C) RMSD histogram of receptor (D) RMSD histogram of ligand (E) Radius of gyration- Rg value (F) Fraction of native contacts analysis of SARS-CoV-2 PL-pro (PDB ID: 6W9C) with withanolide A, over a time frame of 4000ps (4 ns) (G) RMSF value of each residue (H) B-factor value (changing from blue to red with increase in value) and (I) B-factor analysis of defined complex.