Primary Citation PubMed: 22160684
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Molecular docking study of P4-Benzoxaborolesubstituted ligands as inhibitors of HCV NS3/4A protease.
(2013) Bioinformation 9
PubMed: 23559750 | PubMedCentral: PMC3607190 | DOI: 10.6026/97320630009309
Preparation of Receptor Protein : The protein molecule included in our study, HCV NS3/4A protease was obtained from Protein Data Bank [PDB Code 4a92].
Publication Year: 2013
High-throughput screening (HTS) and hit validation to identify small molecule inhibitors with activity against NS3/4A proteases from multiple hepatitis C virus genotypes.
(2013) PLoS One 8
PubMed: 24130685 | PubMedCentral: PMC3793977 | DOI: 10.1371/journal.pone.0075144
The crystal structures of the full-length HCV NS3/4A protease-helicase (genotype 1b) in complex with a macrocyclic protease inhibitor (PDB code 4A92) and HCV NS3/4A protease domain (genotype 1a) compl... xed with a macrocyclic ketoamide inhibitor (PDB code 2GVF) were prepared using the Protein Preparation Wizard.
( B ) Active-site view of docked 12 (colored in green) and 13 (colored in magenta) overlaid with a known macrocyclic inhibitor ITMN191 (colored in tan) from crystal structure (PDB code: 4A92).
In silico identification and evaluation of leads for the simultaneous inhibition of protease and helicase activities of HCV NS3/4A protease using complex based pharmacophore mapping and virtual screening.
(2014) PLoS One 9
PubMed: 24551230 | PubMedCentral: PMC3923879 | DOI: 10.1371/journal.pone.0089109
In this study the crystal structure of NS3/4A protease in complex with a macrocyclic inhibitor interacting with both protease and helicase active sites residues (4a92)  was used for the generation... of complex-based pharmacophore model.
Conclusion In this study, the development of a chemical feature based 3D pharmacophore model of HCV NS3/4A protease inhibitors have been described from the crystal structure of NS3/4A protease in complex with a macrocyclic inhibitor interacting with both protease and helicase sites residues (4a92) via MOE pharmacophore constructing tool.
Publication Year: 2014
Regulation of the hepatitis C virus RNA replicase by endogenous lipid peroxidation.
(2014) Nat Med 20
PubMed: 25064127 | PubMedCentral: PMC4126843 | DOI: 10.1038/nm.3610
Modeling of HCV nonstructural protein-membrane interactions Membrane topologies of HCV nonstructural proteins were modeled as suggested by Bartenschlager et al. 66 using the Protein Data Bank (PDB) st... ucture 4A92 ( http://www.rcsb.org/pdb/home/home.do ) for the NS3/4A protease-helicase ( Fig. 6c , left ) and PDB 1GX6 for the NS5B RNA-dependent RNA polymerase ( Fig. 6c , right ).
PubMed ID is not available.
Published in 2015
( a ) Overall structure of the bifunctional NS3 protein, showing the location of the protease and helicase cores (PDB code: 4A92); ( b ) Structure of the RNA helicase core from the HCV NS3 protein in ... omplex with a synthetic RNA oligonucleotide (PDB code 3KQK); and ( c ) Detail of the residues involved in the interaction with RNA in the HCV NS3 helicase core.
Virus Structure PDB Code Dengue virus Full length helicase-protease apo-enzyme 2JLQ Helicase core complex with AMPPNP 2JLR Helicase core complex with ADP 2JLS Helicase core complex with ssRNA 2JLU Helicase core complex with ssRNA and ADP 2JLZ Yellow fever virus Helicase core 1YKS Helicase core complex with ADP 1YMF Murray valley encephalitis virus Helicase core 2WV9 Kunjin virus Helicase core 2QEQ Japanese encephalitis virus Helicase core 2Z83 Hepatitis C virus * Full length helicase-protease apo-enzyme 3O8C Full length helicase-protease complex with ssRNA 3O8R Full length helicase-protease complex with a protease inhibitor 4A92 Helicase core complex with ssRNA 3KQU * Due to the clinical significance of HCV infections, the number of PDB entries is much larger, including complexes with specific inhibitors for the protease and helicase domains.
Publication Year: 2015
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