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6XOA

The crystal structure of 3CL MainPro of SARS-CoV-2 with C145S mutation

Functional Information from GO Data
ChainGOidnamespacecontents
A0008233molecular_functionpeptidase activity
A0019082biological_processviral protein processing
B0008233molecular_functionpeptidase activity
B0019082biological_processviral protein processing
C0008233molecular_functionpeptidase activity
C0019082biological_processviral protein processing
D0008233molecular_functionpeptidase activity
D0019082biological_processviral protein processing
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue EDO A 401
ChainResidue
ALYS5
AGLN127
BLYS5
BGLN127

site_idAC2
Number of Residues3
Detailsbinding site for residue EDO C 401
ChainResidue
CARG4
CLYS5
DLYS5

site_idAC3
Number of Residues5
Detailsbinding site for residue EDO D 401
ChainResidue
DLYS5
DTYR126
DGLN127
CLYS5
CTYR126

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1220
DetailsDomain: {"description":"Peptidase C30","evidences":[{"source":"PROSITE-ProRule","id":"PRU00772","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
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 Residues4
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 Residues12
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"39223933","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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