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7KX5

Crystal structure of the SARS-CoV-2 (COVID-19) main protease in complex with noncovalent inhibitor Jun8-76-3A

Functional Information from GO Data
ChainGOidnamespacecontents
A0008233molecular_functionpeptidase activity
A0019082biological_processviral protein processing
Functional Information from PDB Data
site_idAC1
Number of Residues20
Detailsbinding site for residue X7V A 401
ChainResidue
ATHR26
AGLY143
ASER144
ACYS145
AHIS163
AHIS164
AMET165
AGLU166
AASP187
AARG188
AGLN189
ALEU27
APRO252
AHIS41
ACYS44
AMET49
ATYR54
APHE140
ALEU141
AASN142

site_idAC2
Number of Residues5
Detailsbinding site for residue GOL A 402
ChainResidue
AGLN74
ALEU75
AARG76
AARG222
ATHR224

site_idAC3
Number of Residues4
Detailsbinding site for residue GOL A 403
ChainResidue
AGLY15
AMET17
AASN95
ALYS97

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"For 3CL-PRO activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00772","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"32198291","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Nucleophile; for 3CL-PRO activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00772","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"32198291","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"39223933","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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