Table 4. Examples of the excess of the obtained 3D similarity estimates for various compounds in comparison with the 3D similarity estimates for the same compounds.

3D Similarity Assessment for Identical Compounds

Mol ID

Similarity

3D Similarity

2D Similarity

Target Name/MoA

Target ID

Activity

Compound name

61.50%

ICV10

34.98

73.29%

47.73%

virus: 3C-like protease

P0DTD1

SARS 3CL(IC50=63ВµM)

C25H22FN4O4

78.90%

ICV193

15.56

80.71%

19.28%

virus: 3C-like protease

P0DTD1

SARS 3CL(IC50=11.2ВµM)

Tideglusib

78.90%

ICV305

16.38

85.55%

19.15%

virus: Papain-like protease

P0DTD1

SARS PL(IC50=46.1ВµM)

Tideglusib

60.58%

ICV139

13.42

68.83%

19.50%

virus: 3C-like protease

P0DTD1

SARS 3CL(IC50=5.52ВµM)

Remdesivir

60.58%

ICV118

14.63

68.64%

21.32%

virus: 3C-like protease

P0DTD1

SARS 3CL(Ki=6.7ВµM)

Remdesivir

60.58%

ICV412

15.83

67.92%

23.30%

human: Calcium channel

-

MERS(IC=2.36ВµM) Vero

Remdesivir

60.58%

ICV428

15.2

63.10%

24.09%

human: Eukaryotic initiation factor 4A-I

P60842

MERS(EC50=3nM) MRC-5 cell; HCoV-229E(EC50=1.3nM) MRC-5 cell

Remdesivir

60.58%

ICV392

18.23

62.17%

29.32%

virus: Helicase

P0DTD1

SARS Helicase(IC50=5.4ВµM)

Remdesivir

Note. . "Mol ID" - the identifier of the compound, represented in the CoViLigands database, with which the test compound was compared; "3D Similarity" - assessment of the similarity of three-dimensional structures; "2D Similarity" - assessment of the similarity of two-dimensional structures; "Similarity" –product estimates of two-dimensional and three-dimensional similarity; "Target name / MoA" - the name of the target protein or mechanism of action; “Activity” - data about the activity of the compound from CoViLigands.