toDock v4.2.6 AutoDock vina iGEMDOCK v2.1 S. No. Ligands BE (kcal/mol) K d Interacting amino acids BE(kcal/mol) K d Interacting amino acids TE(kcal/mol) VDW HB EI Interacting amino acids   1. Withaferin A –8.39 702.21 nM Ile979, Leu983, Thr980, Gly981, Gln984, Tyr738, Leu983, Gln984, Thr980 –10.3 28.30 nM Lys715, Ala75