Mechanism of action for the available compound and their COVID-19-related targets

Compound

Binding affinity

(kcal/mol)

TargetMechanism of actionRef.
ATV

WT-ATV –20.05

DLT-ATV –15.88

LMB-ATV –17.58

S-protein WT, delta, and lambda variantPotent inhibitors targeting RBD of the S-protein[45]
PRZ

WT-PRZ –17.81

DLT-PRZ –19.52

S-protein WT and delta variant

14 Herbal isolates

10 Approved drugs

Below –8.10S-proteinInhibit the SARS-CoV-2 S-protein[46]
28 Bioactive compoundsBelow –5.60Mpro or 3CLproAnti-SARS-CoV-2 activity[47]
Saquinavir–74.413CLproInhibitors against the SARS-CoV-2[48]
TCM5280805–29.49
Binifibrate–69.04MproBind strongly to the enzyme active site and hence they can be repurposed against SARS-CoV-2[49]
Bamifylline–63.19
Simeprevir–10.30MproAnti-SARS-CoV-2 activity[50]
Ergotamine–9.80
Bromocriptine–9.60
Boceprevir–13.60MproInhibitors against the SARS-CoV-2[2]
Epirubicin–11.40
Nelfinavir–13.40
Rutin–14.90
X77 “control”–17.00
Beclabuvir–10.40MproInhibit the replication of the virus[75]
Nilotinib–9.90
Tirilazad–9.60
Trametinib–9.50
Glecaprevir–9.40
HydroxychloroquineBetween –4.40 and –8.80Multiple Mpros of SARS-CoV-2Demonstrate efficacy against SARS-CoV-2[52]
Chloroquine
Remdesivir
Lopinavir
Ritonavir
Umifenovir
Favipiravir
Epclusa (velpatasvir/sofosbuvir)Between –9.00 and –10.10MproVery effective inhibitory actions on viral enzymes[53]

Harvoni (ledipasvir/sofosbuvir)

9 compoundsBetween –6.05 and –11.23S-protein (S-RBD)Anti-SARS-CoV-2 activity[54]
ACE2
Bedaquiline-MproInhibitors against the SARS-CoV-2[76]
Glibenclamide
Miconazole
7 Drugs-MproInhibitors against the SARS-CoV-2[55]
VaborbactamBelow –5.40MproAnti-SARS-CoV-2 activity[56]
Cimetidine
Ixazomib
Scopolamine
Bicalutamide
Riociguat
9 Nucleoside triphosphate analogsBelow –8.70RdRpAnti-viral activity[57]
Ibrutinib and zanubrutinibBelow –7.00S-protein (S-RBD)Inhibitors against the SARS-CoV-2[58]
Mpro
RdRp
ACE2
BTK
TMPRSS2
PLpro

9 Currently approved molecules daunorubicin

Between –0.50 and –138.80MproPotential inhibitors of SARS-CoV-2.[59]
Oxytetracycline–9.303CLproInhibitors against the SARS-CoV-2[60]
Bemcentinib–78.46

PLpro

3CLpro

Inhibitors against the SARS-CoV-2[63]
Clofazimine–165.60
Abivertinib–301.37
Dasabuvir–166.16
MFCD00832476–158.66
Leuconicine F–224.32
IndinavirBetween –26.27 and –69.23

MPPs, spike ecto-domain, spike

RBD, Nsp9 RNA binding protein, and HR2 domain

Fight SARS-CoV-2 infection[64]
Sorivudine
Cidofovir
Darunavir
LedipasvirBelow –10.00ACE2Anti-SARS-CoV-2 activity[30]
Estradiol benzoateCD147
VancomycinRdRp
Paritaprevir and vancomycinACE2 and RdRp
Lividomycin–2,145.79ACE2

Potential ACE2

inhibitors

[65]
Burixafor–2,108.82
Quisinostat–1,998.77
Fluprofylline–1,785.00
Pemetrexed–1,602.58
Spirofylline–1,541.73
Edotecarin–1,312.19
Diniprofylline–1,292.42
10 MoleculesBelow –4.32S1-RBD and the ACE2 receptorInhibitors of S-protein S1 domain and ACE2 interaction[10]
Ribavirin

-

(Relative docking

Score below 2.80)

MproInhibitors of Mpro[20]
Telbivudine
Vitamin B12
Nicotinamide
Apixaban-MproAnti-SARS-CoV-2 activity[66]
LapatinibApproximately –30.003CLproInhibit SARS-CoV-2 3CLpro[67]

16 Potent inhibitors

Below –5.30MproInhibitors of Mpro[33]
Omipalisib/remdesivir-RdRpInhibitors against the SARS-CoV-2[16]
Tipifarnib/omipalisib
Tipifarnib/remdesivi
SaquinavirBelow –6.00MproInhibitors against the SARS-CoV-2[70]
Beclabuvir

Diammonium Glycyrrhizinate

Digitoxin

–11.75

–11.25

S1-RBD and the ACE2 receptorInhibitors against the SARS-CoV-2[71]

Ivermectin

Rapamycin (Sirolimus)

–10.86

–10.56

Rifaximin

Amphotericin B

–10.54

–10.50

Ritonavir–8.01MproMpro inhibitors[72]
Nelfinavir–7.62
Saquinavir–7.50
Pralmorelin–9.17
Iodixanol–15.77
Iotrolan–14.36
Hesperidin–10.30Nsp16 2’-O-MTasePotential inhibitors of 2’-O-ribose MTase[73]
Rebastinib–10.20
Losulazine–10.27
Cep-32496–10.20
R428–10.40
Entrectinib–10.57
Osi-027–10.50
MK3207–10.97
Rimegepant–10.77
Bolazine–10.47
Paritaprevir, Simeprevir and VelpatasvirBelow –10.0S-proteinAnti-SARS-CoV-2 activity[61]
Nucleocapsid protein
2’-O-ribose MTase
Gonadorelin–9.40RBD-ACE2Inhibiting the virus infection[62]
Fondaparinux–8.50
Atorvastatin–7.30

Ref.: reference; WT: wild type; ATV: atovaquone; DLT: delta mutated RBD of S-protein; LMB: lambda mutated RBD of S-protein; PRZ: praziquantel; TMPRSS2: transmembrane serine protease 2; MPPs: main protease proteins; MTase: methyltransferase; -: blank cell