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8EIR

SARS-CoV-2 polyprotein substrate regulates the stepwise Mpro cleavage reaction

Functional Information from GO Data
ChainGOidnamespacecontents
A0008233molecular_functionpeptidase activity
A0019082biological_processviral protein processing
B0008233molecular_functionpeptidase activity
B0019082biological_processviral protein processing
C0003723molecular_functionRNA binding
C0004197molecular_functioncysteine-type endopeptidase activity
C0008242molecular_functionomega peptidase activity
C0008270molecular_functionzinc ion binding
C0016740molecular_functiontransferase activity
C0019079biological_processviral genome replication
D0003723molecular_functionRNA binding
D0004197molecular_functioncysteine-type endopeptidase activity
D0008242molecular_functionomega peptidase activity
D0008270molecular_functionzinc ion binding
D0016740molecular_functiontransferase activity
D0019079biological_processviral genome replication
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues610
DetailsDomain: {"description":"Peptidase C30","evidences":[{"source":"PROSITE-ProRule","id":"PRU00772","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
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_FI3
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_FI4
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

site_idSWS_FT_FI5
Number of Residues2
DetailsSite: {"description":"Cleavage; by 3CL-PRO","evidences":[{"source":"UniProtKB","id":"P0C6V3","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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