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5Y3Q

Crystal structure of SARS coronavirus papain-like protease conjugated with beta-mercaptoethanol

Functional Information from GO Data
ChainGOidnamespacecontents
A0006508biological_processproteolysis
A0008234molecular_functioncysteine-type peptidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue ZN A 401
ChainResidue
ACYS190
ACYS193
ACYS225
ACYS227

site_idAC2
Number of Residues6
Detailsbinding site for residue BME A 402
ChainResidue
AHOH695
ATRP107
AASN110
ACYS112
AGLY272
AHIS273

site_idAC3
Number of Residues4
Detailsbinding site for residue NA A 403
ChainResidue
ALYS218
ALEU235
ATYR311
ATHR313

site_idAC4
Number of Residues4
Detailsbinding site for residue NA A 404
ChainResidue
ASER116
AALA262
AASN263
AHIS276

site_idAC5
Number of Residues6
Detailsbinding site for residue NA A 405
ChainResidue
ASER115
ALEU119
AILE286
AGLY288
AHOH517
AHOH531

site_idAC6
Number of Residues4
Detailsbinding site for residue NA A 406
ChainResidue
ATYR72
AALA132
AASN147
AHOH723

site_idAC7
Number of Residues7
Detailsbinding site for residue NA A 407
ChainResidue
AARG184
AVAL206
AMET207
ATYR208
AVAL243
AMET244
AMET245

site_idAC8
Number of Residues7
Detailsbinding site for residue GOL A 408
ChainResidue
ATYR252
ALYS253
ALEU254
AGLN255
ATHR258
ATYR306
AHOH506

site_idAC9
Number of Residues8
Detailsbinding site for residue GOL A 409
ChainResidue
AASP165
APRO249
ATYR265
ATYR274
ATHR302
AHOH520
AHOH555
AHOH576

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues55
DetailsDomain: {"description":"Ubiquitin-like 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00214","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues37
DetailsZinc finger: {"description":"C4-type","evidences":[{"source":"PROSITE-ProRule","id":"PRU00444","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"16306590","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsActive site: {"description":"For PL-PRO activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00444","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsActive site: {"description":"For PL-PRO activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00444","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"16306590","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00444","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

251801

PDB entries from 2026-04-08

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