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. 2021 Aug 4;28:18. doi: 10.1186/s40709-021-00149-2

Table 9.

Possible binding sites of NSP14 against known anti-viral drugs

Drugs Total binding sites (5C8S) NSP14 of COVID-19
Amprenavir Known similar target molecule Protease, HIV-1
Binding properties 3 1 Superposition type R
RMSD 0.83 Å
Amino acid targets of drug

88 GLY

87 ILE

412 PRO

No. of residues in known binding 24
Human similar targets 4
2 Superposition type L
RMSD 0.72 Å
Amino acid targets of drug

170 LEU

162 VAL

166 ILE

No. of residues in known binding 18
Human similar targets 4
3 Superposition type L
RMSD 0.87 Å
Amino acid targets of drug

31 ILE

17 GLY

14 ILE

No. of residues in known binding 24
Human similar targets 6
Atazanavir Known similar target molecule Protease, HIV-1
Binding properties 1 1 Superposition type L
RMSD 0.66 Å
Amino acid targets of drug

78 ARG

107 PRO

108 VAL

No. of residues in known binding 23
Human similar targets 3
Darunavir Known similar target molecule Protease, HIV-1
Binding properties 7 1 Superposition type L
RMSD 0.79 Å
Amino acid targets of drug

88 GLY

87 ILE

412 PRO

No. of residues in known binding 26
Human similar targets 0
2 Superposition type L
RMSD 1.38 Å
Amino acid targets of drug

170 LEU

162 VAL

167 VAL

166 ILE

No. of residues in known binding 26
Human similar targets 7
3 Superposition type R
RMSD 0.55 Å
Amino acid targets of drug

78 ARG

107 PRO

108 VAL

No. of residues in known binding 21
Human similar targets 6
4 Superposition type L
RMSD 0.79 Å
Amino acid targets of drug

26 ALA

22 ASP

21 VAL

No. of residues in known binding 27
Human similar targets 7
5 Superposition type L
RMSD 0.83 Å
Amino acid targets of drug

435 ALA

390 ASP

389 VAL

No. of residues in known binding 27
Human similar targets 7
6 Superposition type R
RMSD 0.94 Å
Amino acid targets of drug

152 LEU

120 VAL

118 VAL

No. of residues in known binding 20
Human similar targets 6
7 Superposition type R
RMSD 0.87 Å
Amino acid targets of drug

508 LEU

317 VAL

312 VAL

No. of residues in known binding 20
Human similar targets 6
Grazoprevir Known similar target molecule NS3, NS4 Protease, Hepacivirus C
Binding properties 1 1 Superposition type L
RMSD 0.90 Å
Amino acid targets of drug

65 GLN

52 GLY

127 GLY

No. of residues in known binding 17
Human similar targets 7
Indinavir Known similar target molecule Polyprotein, HIV-1
Binding properties 1 1 Superposition type L
RMSD 0.82 Å
Amino acid targets of drug

78 ARG

107 PRO

108 VAL

No. of residues in known binding 24
Human similar targets 1
Lopinavir Known similar target molecule Protease, HIV-1
Binding properties 2 1 Superposition type R
RMSD 0.65 Å
Amino acid targets of drug

78 ARG

107 PRO

108 VAL

No. of residues in known binding 27
Human similar targets 6
2 Superposition type R
RMSD 0.94 Å
Amino acid targets of drug

31 ILE

17 GLY

14 ILE

No. of residues in known binding 27
Human similar targets 4
Rimantadine Known similar target molecule M2 protein, Influeza A
Binding properties 5 1 Superposition type L
RMSD 0.86 Å
Amino acid targets of drug

317 VAL

320 ALA

319 SER

No. of residues in known binding 10
Human similar targets 0
2 Superposition type L
RMSD 0.90 Å
Amino acid targets of drug

32 ALA

33 SER

34 GLY

No. of residues in known binding 9
Human similar targets 0
3 Superposition type L
RMSD 0.80 Å
Amino acid targets of drug

32 ALA

33 SER

35 GLY

No. of residues in known binding 9
Human similar targets 0
4 Superposition type R
RMSD 0.67 Å
Amino acid targets of drug

01 ALA

0 SER

-1 GLY

No. of residues in known binding 9
Human similar targets 0
5 Superposition type R
RMSD 0.91 Å
Amino acid targets of drug

01 ALA

0 SER

102 GLY

No. of residues in known binding 9
Human similar targets 0
Saquinavir Known similar target molecule Protease, HIV-1
Binding properties 2 1 Superposition type L
RMSD 0.90 Å
Amino acid targets of drug

31 ILE

17 GLY

14 ILE

No. of residues in known binding 21
Human similar targets 4
2 Superposition type R
RMSD 0.90 Å
Amino acid targets of drug

84 ARG

244 VAL

277 THR

No. of residues in known binding 29
Human similar targets 9
Tipranavir Known similar target molecule Protease, HIV-1
Binding properties 2 1 Superposition type L
RMSD 0.92 Å
Amino acid targets of drug

274 ALA

273 ASP

90 ASP

No. of residues in known binding 27
Human similar targets 3
2 Superposition type L
RMSD 1.25 Å
Amino acid targets of drug

116 ASN

270 ALA

273 ASP

90 ASP

No. of residues in known binding 18
Human similar targets 2

Features of different drug binding motifs. HIV-1 Human Immunodeficiency virus 1, RMSD Root Mean Square Deviation, Å angstrom, ILE isoleucine, GLY glycine, VAL valine, LEU leucine, PRO proline, ASP aspartic acid