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1P9S

Coronavirus Main Proteinase (3CLpro) Structure: Basis for Design of anti-SARS Drugs

Functional Information from GO Data
ChainGOidnamespacecontents
A0008233molecular_functionpeptidase activity
A0019082biological_processviral protein processing
B0008233molecular_functionpeptidase activity
B0019082biological_processviral protein processing
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE DIO A 301
ChainResidue
AHIS41
ATHR47
AASP186

site_idAC2
Number of Residues1
DetailsBINDING SITE FOR RESIDUE DIO B 301
ChainResidue
BGLN187

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"For 3CL-PRO activity"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 2bx4
ChainResidueDetails
ACYS144
AHIS41

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 2bx4
ChainResidueDetails
BCYS144
BHIS41

250835

PDB entries from 2026-03-18

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