Skip to main content

Table 5 Performance comparison of the Transformer models trained on different types of molecular pairs on the restricted intersection test set (numbers in bracket represent the absolute increase or decrease compared to the corresponding Transformer model performance on the original test set in Table 4)

From: Transformer-based molecular optimization beyond matched molecular pairs

Test set

Type of molecular pairs where Transformer is trained

Successful property constraints (%)

Successful structure constraints (%)

Successful property and structure constraints (%)

 

MMP

65.71 (\(\uparrow\) 3.81)

91.68 (\(\uparrow\) 0.13)

61.82 (\(\uparrow\) 3.73)

 

Similarity (\(\ge\)0.5)

55.55 (\(\uparrow\) 3.72)

84.47 (\(\uparrow\) 2.17)

48.97 (\(\uparrow\) 4.44)

Restricted

Similarity ([0.5,0.7))

50.17 (\(\uparrow\) 3.42)

68.66 (\(\uparrow\) 0.57)

35.28 (\(\uparrow\) 2.32)

intersection

Similarity (\(\ge\)0.7)

65.39 (\(\uparrow\) 0.30)

81.49 (\(\downarrow\) 1.19)

55.55 (\(\downarrow\) 0.52)

 

Scaffold

62.91 (\(\uparrow\) 1.38)

94.42 (\(\downarrow\) 0.90)

60.70 (\(\downarrow\) 1.01)

 

Scaffold generic

59.07 (\(\uparrow\) 4.02)

96.14 (\(\uparrow\) 0.13)

57.68 (\(\uparrow\) 4.02)

  1. The extremes (best/worst performance or largest/smallest change) are highlighted in bold