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4IMZ

Structural Basis of Substrate Specificity and Protease Inhibition in Norwalk Virus

Functional Information from GO Data
ChainGOidnamespacecontents
A0004197molecular_functioncysteine-type endopeptidase activity
A0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SCN A 201
ChainResidue
APRO2
ATHR4
ALEU5
AARG8

site_idAC2
Number of Residues1
DetailsBINDING SITE FOR RESIDUE NA A 202
ChainResidue
ALYS0

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SCN A 203
ChainResidue
AHOH344
AHOH366
AHOH389
AVAL82
ASER84
AHIS145
ALYS146

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SCN A 204
ChainResidue
AHIS50
AGLN172
AALA173

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SCN A 205
ChainResidue
ALYS37
AHOH369
AHOH403

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsActive site: {"description":"For 3CLpro activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00870","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"16641296","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23365454","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsSite: {"description":"Cleavage; by 3CLpro","evidences":[{"source":"PubMed","id":"17554035","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"20976190","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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