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7CBT

The crystal structure of SARS-CoV-2 main protease in complex with GC376

Functional Information from GO Data
ChainGOidnamespacecontents
A0008233molecular_functionpeptidase activity
A0019082biological_processviral protein processing
B0008233molecular_functionpeptidase activity
B0019082biological_processviral protein processing
Functional Information from PDB Data
site_idAC1
Number of Residues13
Detailsbinding site for residue K36 A 401
ChainResidue
AHIS41
AGLU166
AHIS172
AARG188
AGLN189
APHE140
AASN142
AGLY143
ASER144
ACYS145
AHIS163
AHIS164
AMET165

site_idAC2
Number of Residues17
Detailsbinding site for Di-peptide K36 B 401 and CYS B 145
ChainResidue
BLEU27
BASN28
BHIS41
BPHE140
BLEU141
BASN142
BGLY143
BSER144
BGLY146
BSER147
BHIS163
BHIS164
BMET165
BGLU166
BHIS172
BGLN189
BHOH515

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
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 Residues2
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 Residues6
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"39223933","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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