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. 2020 Jul 17:1–7. doi: 10.1080/07391102.2020.1792993

Table 3.

Interactions between HCQ/CQ and SARS-CoV-2 proteins or proteins related to human enzymes.

Molecule PDB Code Name of SARS-CoV-2 protein Site 1 Site 2 Site 3 Site 4 Site 5 Result
HCQ 6W9C papain-like protease −4.268 −5.04 −4.985 −4.701 −5.555 NI
CQ 6W9C papain-like protease −3.154 −4.528 −4.550 −3.828 −4.340 NI
HCQ 6VXX closed state spike glycoprotein −3.074 −3.818 −4.089     NI
CQ 6VXX closed state spike glycoprotein −2.806
−5.351
−4.977
    NI
HCQ 6LXT post fusion core −3.940         NI
CQ 6LXT post fusion core −4.655         NI
HCQ 6WJI C-terminal dimerization domain of nucleocapsid phosphoprotein −5.184 −4.574 3.846     NI
CQ 6WJI C-terminal dimerization domain of nucleocapsid phosphoprotein −4.984
−3.696
−3.304
    NI
HCQ 6YI3 N-terminal RNA-binding domain −4.412         NI
CQ 6YI3 N-terminal RNA-binding domain −4.457         NI
HCQ 6VWW NSP15 endoribonuclease −6.251# −4.309 4.741 −5.449 −5.150 NI
CQ 6VWW NSP15 endoribonuclease −5.119
−3.899
−3.125
−4.484
−4.700
NI
HCQ 6W6Y ADP ribose phosphatase of NSP3 −2.111 −3.681       NI
CQ 6W6Y ADP ribose phosphatase of NSP3 −1.556
−1.264
      NI
HCQ 6W75 NSP10-NSP16
2′-O-methyl transferase
−4.140 −5.134 −4.153 −5.238 −3.998 NI
CQ 6W75 NSP10-NSP16
2′-O-methyl transferase
−3.555
−4.401
−3.912
−4.286
−3.150
NI
HCQ 6W9Q Nsp9 RNA-replicase −4.934 −4.487       NI
CQ 6W9Q Nsp9 RNA-replicase −3.943
−4.487
      NI
HCQ 6VW1 S1 unit of ACE2-Spike complex −4.618 −5.773#       NI
CQ 6VW1 S1 unit of ACE2-Spike complex −3.997 −5.224#       NI
HCQ 6W37 ORF7A encoded accessory protein −4.099         NI
CQ 6W37 ORF7A encoded accessory protein −2.889         NI
HCQ 6JYT Nsp13
Helicase
−5.801 −4.998 −5.830 −5.766 −4.755 NI
CQ 6JYT Nsp13
Helicase
−4.593 −4.782 −4.192 −5.033 −5.111 NI
HCQ 1U7L Vacuolar ATP synthase subunit C −5.740
−5.271
−5.879
−5.551
  NI
CQ 1U7L Vacuolar ATP synthase subunit C −4.731
−4.940
−5.228
−4.661
  NI
HCQ 6HH0 Vacuolar ATP synthase subunit A −2.218
        NI
CQ 6HH0 Vacuolar ATP synthase subunit A −1.701
        NI
HCQ 2OQ5 transmembrane serine protease −6.517#         NI
CQ 2OQ5 transmembrane serine protease −4.376         NI
HCQ 2YHW UDP-GlcNAc 2-epimerase −2.821         NI
CQ 2YHW UDP-GlcNAc 2-epimerase −2.119         NI

Please note: Shaded boxes indicate the sites that are not involved in the activity of the particular enzyme.

#

further calculations through XP docking did not warrant an interaction of the molecule and the protein in question.

NI: No Interactions.