Table 3.
The pharmacophore RMSD and molecular docking results of 3b and 8b using Pim1 kinase PDB: 4DTK with the crucial amino acids in bold.
| Compound | Pharmacophore RMSD | Binding energy score (Kcal/mol) | Interacting atom of the ligand | Interacting amino acids | Interaction type | Bond distance (Å) |
|---|---|---|---|---|---|---|
| 7LI | NA* | −8.61 | N1 | Asp128 | H-donor | 2.93 |
| N1 | Glu171 | H-donor | 3.03 | |||
| O2 | Asp186 | H-acceptor | 2.93 | |||
| N1 | Asp128 | Ionic | 2.93 | |||
| 6-ring | Val52 | pi-H | 4.74 | |||
| 5-ring | Leu120 | pi-H | 3.93 | |||
| 5-ring | Ile185 | pi-H | 4.13 | |||
| 3b | 0.32 | −9.36 | S | Asp128 | H-donor | 3.40 |
| O | Lys67 | H-acceptor | 2.15 | |||
| C | Phe49 | H-pi | 3.72 | |||
| 5-ring | Val52 | pi-H | 4.61 | |||
| 5-ring | Ile185 | pi-H | 4.53 | |||
| 8b | 0.65 | −10.39 | C | Asp128 | H-donor | 3.55 |
| S | Val126 | H-donor | 4.15 | |||
| S | Glu171 | H-donor | 3.21 | |||
| F | Lys67 | H-acceptor | 2.23 | |||
| 6-ring | Val52 | pi-H | 4.27 | |||
| 6-ring | Ile185 | pi-H | 3.77 |
NA*: not available.