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2A4Q

HCV NS3 protease with NS4a peptide and a covalently bound macrocyclic ketoamide compound.

Functional Information from GO Data
ChainGOidnamespacecontents
A0003724molecular_functionRNA helicase activity
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008236molecular_functionserine-type peptidase activity
A0016787molecular_functionhydrolase activity
A0019028cellular_componentviral capsid
A0019062biological_processvirion attachment to host cell
A0019087biological_processsymbiont-mediated transformation of host cell
A0033644cellular_componenthost cell membrane
A0043657cellular_componenthost cell
A0044423cellular_componentvirion component
A0046718biological_processsymbiont entry into host cell
A0046872molecular_functionmetal ion binding
A0055036cellular_componentvirion membrane
A0097264biological_processself proteolysis
C0003724molecular_functionRNA helicase activity
C0006508biological_processproteolysis
C0008233molecular_functionpeptidase activity
C0008236molecular_functionserine-type peptidase activity
C0016787molecular_functionhydrolase activity
C0019028cellular_componentviral capsid
C0019062biological_processvirion attachment to host cell
C0019087biological_processsymbiont-mediated transformation of host cell
C0033644cellular_componenthost cell membrane
C0043657cellular_componenthost cell
C0044423cellular_componentvirion component
C0046718biological_processsymbiont entry into host cell
C0046872molecular_functionmetal ion binding
C0055036cellular_componentvirion membrane
C0097264biological_processself proteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 301
ChainResidue
ACYS97
ACYS99
ACYS145
AHOH433

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN C 302
ChainResidue
CCYS97
CCYS99
CCYS145
CHOH303

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE BME A 201
ChainResidue
ACYS16
AILE17
ATHR38
ALEU13

site_idAC4
Number of Residues13
DetailsBINDING SITE FOR RESIDUE FNH A 401
ChainResidue
AGLN41
ATHR42
AHIS57
ALEU135
ALYS136
AGLY137
ASER138
ASER139
AARG155
AALA156
AALA157
ACYS159
AASP168

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1rgq
ChainResidueDetails
AASP81
ASER139
AGLY137
AHIS57

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1rgq
ChainResidueDetails
CASP81
CSER139
CGLY137
CHIS57

244349

PDB entries from 2025-11-05

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