Table 2.
The energy contribution of the various energetic terms (Van der Waals energy, electrostatic energy, polar solvation energy, and non-polar solvation energy/solvent-accessible surface area (SASA)) to the total binding energy during the binding of imatinib and compound 14 with c-KIT and PDGFRα.
Complexes | Van der Waals (kJ/Mol) |
Electrostatics (kJ/Mol) |
Polar Solvation (kJ/Mol) |
SASA (kJ/Mol) |
Total Binding Energy (kJ/Mol) |
---|---|---|---|---|---|
Imatinib–c-KIT | −260 | −74 | 257 | −28 | −105 |
Imatinib–PDGFRα | −244 | −58 | 225 | −27 | −104 |
Compound 14–c-KIT | −257 | −57 | 219 | −25 | −120 |
Compound 14–PDGFRα | −251 | −55 | 213 | −25 | −118 |
Compound 31–c-KIT | −183 | −48 | 185 | −19 | −65 |
Compound 31–PDGFRα | −180 | −50 | 163 | −18 | −85 |
Imatinib–c-KIT/I670 | −227 | −48 | 228 | −26 | −73 |
Imatinib–PDGFRα/I674 | −248 | −18 | 227 | −28 | −67 |
Compound 14–c-KIT/I670 | −250 | −61 | 205 | −25 | −131 |
Compound 14–PDGFRα/I674 | −265 | −39 | 203 | −25 | −126 |