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6WCO

Structure of SARS main protease bound to inhibitor X47

Functional Information from GO Data
ChainGOidnamespacecontents
A0008233molecular_functionpeptidase activity
A0019082biological_processviral protein processing
Functional Information from PDB Data
site_idAC1
Number of Residues8
Detailsbinding site for residue MES A 401
ChainResidue
AARG105
AHIS134
APHE181
ATYR182
AGLY183
AHOH651
AHOH688
AHOH858

site_idAC2
Number of Residues9
Detailsbinding site for residue MES A 402
ChainResidue
AASP56
AARG60
AARG222
APHE223
AASN274
AHOH519
AHOH548
AHOH549
AASN53

site_idAC3
Number of Residues14
Detailsbinding site for residue X47 A 403
ChainResidue
AMET49
APHE140
ALEU141
AASN142
AGLY143
ASER144
ACYS145
AHIS163
AHIS164
AMET165
AGLU166
AGLN189
AHOH601
AHOH637

site_idAC4
Number of Residues2
Detailsbinding site for residue DMS A 404
ChainResidue
AASN84
AHOH737

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues305
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"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 830
ChainResidueDetails
AHIS41proton acceptor, proton donor
AGLY143electrostatic stabiliser
ACYS145electrostatic stabiliser

249697

PDB entries from 2026-02-25

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