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1HAV

HEPATITIS A VIRUS 3C PROTEINASE

Functional Information from GO Data
ChainGOidnamespacecontents
A0004197molecular_functioncysteine-type endopeptidase activity
A0006508biological_processproteolysis
B0004197molecular_functioncysteine-type endopeptidase activity
B0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL B 218
ChainResidue
AILE75
BTHR2

site_idPRO
Number of Residues4
DetailsCYS-HIS DYAD AND STABILIZING ELECTROSTATIC ENVIRONMENT (CYS 172, HIS 44, TYR 143).
ChainResidue
ACYS172
AHIS44
ATYR143
AHOH223

site_idRNA
Number of Residues4
DetailsCONSERVED SEQUENCE MOTIF KFRDI ON SURFACE OPPOSITE FROM PROTEOLYTIC ACTIVE SITE (LYS 95 TO ILE 99).
ChainResidue
AARG97
AASP98
AHOH223
ALYS95

site_idS1
Number of Residues4
DetailsHIS 191 IN A POSITION TO HYDROGEN-BOND TO GLUTAMINE RESIDUE IN P1 POSITION OF PEPTIDE SUBSTRATE.
ChainResidue
AHIS191
AGLU132
AHOH221
AHOH226

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsActive site: {"description":"For protease 3C activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU01222","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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