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7JFQ

The crystal structure of 3CL MainPro of SARS-CoV-2 with de-oxidized C145

Functional Information from GO Data
ChainGOidnamespacecontents
A0008233molecular_functionpeptidase activity
A0019082biological_processviral protein processing
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue EDO A 401
ChainResidue
AGLY215
AASP216
AARG217
ATRP218

site_idAC2
Number of Residues7
Detailsbinding site for residue FMT A 402
ChainResidue
AHOH503
AHOH550
AMET17
AGLN69
AGLY71
AGLY120
AEDO403

site_idAC3
Number of Residues6
Detailsbinding site for residue EDO A 403
ChainResidue
AGLY15
AMET17
AALA70
AGLY71
AFMT402
AHOH536

site_idAC4
Number of Residues2
Detailsbinding site for residue FMT A 404
ChainResidue
ALYS102
APHE103

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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