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6XA9

SARS CoV-2 PLpro in complex with ISG15 C-terminal domain propargylamide

Functional Information from GO Data
ChainGOidnamespacecontents
A0006508biological_processproteolysis
A0008234molecular_functioncysteine-type peptidase activity
C0006508biological_processproteolysis
C0008234molecular_functioncysteine-type peptidase activity
E0006508biological_processproteolysis
E0008234molecular_functioncysteine-type peptidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue GOL A 401
ChainResidue
AHIS73
AASN128
AGLN174
AHIS175

site_idAC2
Number of Residues3
Detailsbinding site for residue GOL A 402
ChainResidue
AHIS47
AASN48
ASER49

site_idAC3
Number of Residues4
Detailsbinding site for residue GOL A 403
ChainResidue
ATHR63
ALEU64
AGLN19
AASP61

site_idAC4
Number of Residues4
Detailsbinding site for residue ZN A 404
ChainResidue
ACYS189
ACYS192
ACYS224
ACYS226

site_idAC5
Number of Residues5
Detailsbinding site for residue GOL C 401
ChainResidue
CHIS73
CASN128
CPRO129
CGLN174
CHIS175

site_idAC6
Number of Residues3
Detailsbinding site for residue GOL C 402
ChainResidue
CHIS47
CASN48
CSER49

site_idAC7
Number of Residues5
Detailsbinding site for residue GOL C 403
ChainResidue
CHIS17
CGLN19
CASP61
CTHR63
CLEU64

site_idAC8
Number of Residues4
Detailsbinding site for residue ZN C 404
ChainResidue
CCYS189
CCYS192
CCYS224
CCYS226

site_idAC9
Number of Residues4
Detailsbinding site for residue ZN E 501
ChainResidue
ECYS189
ECYS192
ECYS224
ECYS226

site_idAD1
Number of Residues3
Detailsbinding site for residue GOL E 502
ChainResidue
ASER294
ELEU16
EHIS17

site_idAD2
Number of Residues5
Detailsbinding site for residue GOL E 503
ChainResidue
EHIS73
EASN128
EPRO129
EGLN174
EHIS175

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues110
DetailsDomain: {"description":"Ubiquitin-like 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00214","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues66
DetailsRepeat: {"description":"LRR 3","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues111
DetailsZinc finger: {"description":"C4-type","evidences":[{"source":"PROSITE-ProRule","id":"PRU00444","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsActive site: {"description":"For PL-PRO activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00444","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"32726803","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues6
DetailsActive site: {"description":"For PL-PRO activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00444","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00444","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues3
DetailsSite: {"description":"Interacts with activating enzyme","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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