Skip to main content

Table 3 Binding free energy calculation using Prime/MM-GBSA approach of compounds (T1-T21)

From: Insilico design, ADMET screening, MM-GBSA binding free energy of novel 1,3,4 oxadiazoles linked Schiff bases as PARP-1 inhibitors targeting breast cancer

Comp

ΔG bind (Kcal/ mol)

ΔG bind Coulomb

ΔG bind covalent

ΔG bind Vander

ΔG bind H Bond

ΔG bind Lipophilic

T1

− 43.97

− 5.28

1.75

− 31.2

− 0.2

− 22.82

T2

− 58.34

− 9.01

2.8

− 35.81

− 0.36

− 25.53

T3

− 54.8

− 0.21

1.96

− 40.82

0

− 26.21

T4

− 55.42

4

3.8

− 44.71

− 0.02

− 25

T5

− 60.29

7.07

2.45

− 45.31

− 0.93

− 15.34

T6

− 59.22

1.06

2.36

− 41.45

− 0.03

− 27.87

T7

− 65.31

− 2.54

2.82

− 44.32

− 0.12

− 29.21

T8

− 60.19

− 11.51

5.2

− 48.44

− 0.28

− 26.06

T9

− 51.63

1.08

0.86

− 38.85

0

− 25.07

T10

− 69.72

− 9.66

2.35

− 38.92

− 0.39

− 30.5

T11

− 48.36

− 7.72

5.26

− 34.34

− 0.34

− 23.76

T12

− 55.56

− 18.95

2.13

− 34.92

− 0.81

− 20.33

T13

− 63.76

− 16.4

6.17

− 43.65

− 0.62

− 23.41

T14

− 65.17

− 6.53

3.71

− 42.61

0

− 30.64

T15

− 47.29

− 5.33

2.73

− 33.65

− 0.16

− 27.19

T16

− 49.25

− 5.55

1.61

− 32.61

− 0.02

− 19.01

T17

− 73.9

− 7.23

0.92

− 40.09

0

− 35.43

T18

− 60.45

0.05

2.16

− 40.93

− 0.04

− 28.36

T19

− 49.74

− 2.56

5.46

− 40.19

− 0.13

− 25.94

T20

− 61.98

− 9.91

1.2

− 37.41

− 0.31

− 26.98

T21

− 64.32

− 20.33

3.66

− 38.8

− 0.84

− 20.33

Olaparib

− 121.53

− 39.94

3.54

− 61.19

− 1.23

− 37.94

Tamoxifen

− 65.62

− 11.83

7.01

− 44.73

− 0.25

− 41.83

  1. Δ G bind, free energy of binding; ΔG bind Coulomb, Coulomb energy; ΔG bind covalent, covalent energy (internal energy); ΔG bind Vander, van der Waals energy; ΔG bind H Bond, hydrogen bonding energy; ΔG bind Lipophilic, hydrophobic energy (non-polar contribution estimated by solvent accessible surface area)