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Table 1 Training and test set molecules with their observed and predicted activities

From: In silico screening for identification of novel β-1,3-glucan synthase inhibitors using pharmacophore and 3D-QSAR methodologies

Compound

R

pIC50 observed

pIC50 Predicted

Fitness scorec

Set

1

6.39

6.38

2.74

Test

2

6.20

6.30

2.9

Test

3

6.37

6.31

2.92

Training

4

6.38

6.33

2.56

Training

5a

7.13

7.07

2.72

Training

6a

6.79

9.94

2.71

Test

7a

6.66

6.61

3

Training

8

6.09

6.37

2.79

Training

9a

6.54

6.61

2.81

Training

10a

7.10

7.06

2.85

Training

11b

4.64

4.53

2.06

Training

Compound

R

pIC50 observed

pIC50 predicted

Fitness score

Set

12a

6.70

6.74

2.95

Training

13

–CH3

5.66

5.95

2.23

Test

14

5.89

5.97

2.78

Training

15

5.77

5.99

2.85

Training

Compound

R

pIC50 observed

pIC50 predicted

Fitness score

Set

16b

5.33

5.18

2.08

Test

17

5.65

5.64

2.33

Training

18a

6.74

6.43

2.95

Training

19

5.64

5.62

0.81

Training

20

5.82

5.50

2.26

Test

21a

6.92

7.04

2.76

Training

22

5.96

6.04

2.31

Training

23b

5.52

5.46

2.21

Training

24

6.27

5.87

2.34

Test

25

6.04

6.00

2.22

Test

Compound

R

pIC50 observed

pIC50 predicted

Fitness score

Set

26

H

6.04

6.09

2.11

Training

27b

5.38

5.38

2.7

Training

Compound

R

R1

pIC50 observed

pIC50 predicted

Fitness score

Set

28

H

6.38

6.21

2.79

Training

29

H

5.96

6.16

2.78

Training

30

F

6.21

6.20

2.78

Test

31

F

6.22

6.14

2.78

Training

Compound

R

pIC50 observed

pIC50 predicted

Fitness score

Set

32

5.66

5.71

2.52

Training

33b

5.55

5.56

2.81

Training

Compound

R

pIC50 observed

pIC50 predicted

Fitness score

Set

34b

5.05

5.09

2.33

Training

35b

5.21

5.31

2.84

Training

36

6.00

6.16

2.87

Test

37

6.28

6.33

2.87

Training

38

6.21

6.14

2.86

Training

39a

6.6

6.32

2.86

Test

40

6.58

6.32

2.86

Training

41

6.04

5.86

2.87

Training

42

5.72

5.83

2.87

Training

  1. aActive pharm set
  2. bInactive pharm set
  3. cFitness score measures the alignment of the pharmacophore site points of matching compounds to those of the hypothesis. The reference ligand for the hypothesis having an exact match has a perfect fitness score of 3.0
  4. Indicates the position for R substitution