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1UK3

Crystal structure of SARS Coronavirus Main Proteinase (3CLpro) At pH7.6

Functional Information from GO Data
ChainGOidnamespacecontents
A0008233molecular_functionpeptidase activity
A0019082biological_processviral protein processing
B0008233molecular_functionpeptidase activity
B0019082biological_processviral protein processing
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"For 3CL-PRO activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00772","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 2bx4
ChainResidueDetails
ACYS145
AHIS41

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 2bx4
ChainResidueDetails
BCYS145
BHIS41

248636

PDB entries from 2026-02-04

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