9EXU

Complex of a mutant of the SARS-CoV-2 main protease Mpro with the nsp4/5 substrate peptide (cocrystallization).

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0008233	molecular_function	peptidase activity
A	0019082	biological_process	viral protein processing
B	0008233	molecular_function	peptidase activity
B	0019082	biological_process	viral protein processing

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	2
Details	Active site: {"description":"For 3CL-PRO activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00772","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"32198291","evidenceCode":"ECO:0000305"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI2
Number of Residues	2
Details	Active site: {"description":"Nucleophile; for 3CL-PRO activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00772","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"32198291","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI3
Number of Residues	6
Details	Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"39223933","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI4
Number of Residues	1
Details	Site: {"description":"Cleavage; by 3CL-PRO","evidences":[{"source":"UniProtKB","id":"P0C6V3","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

---