Research Article

Investigations on Binding Pattern of Kinase Inhibitors with PPARγ: Molecular Docking, Molecular Dynamic Simulations, and Free Energy Calculation Studies

Table 3

Calculated total binding energies for PPAR gamma-TKI’s and PPAR gamma-rosiglitazone complexes by MM-PBSA.

EnergiesPPAR gamma-rosiglitazone
(kcal mol−1)
PPAR gamma-ibrutinib
(kcal mol−1)
PPAR gamma-sorafenib
(kcal mol−1)
PPAR gamma-sunitinib
(kcal mol−1)
PPAR gamma-erlotinib
(kcal mol−1)
PPAR gamma-gefitinib
(kcal mol−1)
PPAR gamma-dabrafenib
(kcal mol−1)

−49.84−59.35−52.24−46.70−59.84−63.12−57.96
−19.43−8.70−17.94−120.71−25.86−102.38−2.54
45.8747.4061.60158.2955.93168.2148.17
−34.60−41.97−40.50−40.89−42.36−42.25−43.97
−69.27−68.05−70.18−167.41−85.70−165.50−60.50
11.275.4321.10117.4013.57125.954.20
58.0062.6249.0850.0172.1339.5456.30

Absolute free energy ; = enthalpy; = solute entropy; = total energy of solute, ; = van der Waal’s energy; = electrostatic/coulombic energy; = total energy of solvation; ; = polar solvation contribution, Poisson–Boltzmann method; = nonpolar contribution.