Fig. 2

Pipeline Pilot protocol for chemical-physical properties filtering and "Bemis-Murcko Assemblies" clustering. Components in Pipeline Pilot protocol and the parameter cutoffs are illustrated here and also in supplementary additional file 2. Chemical-physical property calculation including molecular weight (Molecular_weight), AlogP, molecular polar surface area (Molecular_PolarSurfaceArea or PSA), and number of rotatable bonds (Num_RotatableBonds)