NS3 helicase
Stimulation of Hepatitis C Virus (HCV) Nonstructural Protein 3 (NS3) Helicase Activity by the NS3 Protease Domain and by HCV RNA-Dependent RNA Polymerase
... of NS3 helicase by HCV RdRp. Both NS3 helicase and NS5B RdRp are required for HCV RNA replication ...that NS3 colocal- ized with NS5B in the cell (24). Whether the NS3 ...
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The Arginine-1493 Residue in QRRGRTGR1493G Motif IV of the Hepatitis C Virus NS3 Helicase Domain Is Essential for NS3 Protein Methylation by the Protein Arginine Methyltransferase 1
... Since NS3 is an RNA-binding protein, we examined whether the NS3 protein contains RGG or RXR motifs or RG ...The NS3 protein does not contain a typical RGG motif interspaced with aromatic amino ...
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Structure-Based Mutagenesis Study of Hepatitis C Virus NS3 Helicase
... of helicase along the polynucleotide chain, and (v) inhibition of the coupling of ATP hydrolysis to ...HCV NS3 helicase and other viral or cellular proteins in a replication complex could also ...
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Identification of Inhibitor against Zika Virus NS3 Helicase
... them NS3 helicase has been chosen as an area of interest in the following ...paper. NS3 helicase is required in unwinding of the RNA secondary structure in the template ...replication, ...
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NS3 Helicase Domains Involved in Infectious Intracellular Hepatitis C Virus Particle Assembly
... JFH1 NS3 protein (which is present in HJ3) has not been determined by crystallography, the mutations we identified involve res- idues that are easily aligned with sequences of genotype 1 viruses for which such ...
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Molecular docking and simulation of Zika virus NS3 helicase
... The NS3 helicase is one of the most thoroughly studied antiviral drug tar- get [20, ...In NS3 of flaviviruses, the enzymatic activity is coupled with the C-terminal region, namely an RNA ...
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X-Ray Structure of the Pestivirus NS3 Helicase and Its Conformation in Solution
... of NS3 is not yet un- derstood, in part because it is not clear what motifs are involved in separating the two strands of the nucleic acid ...DNA helicase Hel308 from Archaeoglobus fulgidus in complex with ...
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Structure-Based Mutational Analysis of the NS3 Helicase from Dengue Virus
... virus NS3 protein contains protease, RNA helicase, 5 ⬘ -nucleoside triphosphatase (NTPase), and RNA 5 ⬘ - triphosphatase (RTPase) activities (1, 2, 5, 15, 20, ...21). NS3 proteins from the four ...
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Structure-Based Mutational Analysis of the Hepatitis C Virus NS3 Helicase
... RNA helicase activity and the ...wild-type helicase) still exhibited sufficiently high RNA helicase activity (for example, H293A and ...HCV NS3 helicase was based on that determined by ...
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<p>Hepatitis C Virus NS3 Protease and Helicase Inhibitors from Red Sea Sponge (<em>Amphimedon</em>) Species in Green Synthesized Silver Nanoparticles Assisted by in Silico Modeling and Metabolic Profiling</p>
... -HCV NS3 helicase and protease activity of total extract and petroleum ether Amphimedon fractions were fi rst investigated, followed by liquid chromatography (LC) – high-resolution electrospray ionization ...
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Hepatitis C Virus Subgenomic Replicon Requires an Active NS3 RNA Helicase
... the NS3 helicase region of a hepatitis C virus (HCV) Con1 subgenomic replicon to ascertain the role of the helicase in viral ...the NS3 helicase ( ⌬ hel), and six others contained one ...
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The helicase activity associated with hepatitis C virus nonstructural protein 3 (NS3).
... the helicase activities already characterized for HCV NS3 protein are ...HCV NS3 helicase could unwind the standard and the 3 9 /3 9 substrates but not the 5 9 /5 9 and the blunt substrates, ...
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Crystal Structure of the NS3 Protease-Helicase from Dengue Virus
... (NS3 helicase domain [NS3hel]) (44– 46), the NS5 methyltransferase (10), and the RNA-dependent RNA polymerase catalytic domain (27, 49, ...complete NS3 and NS5 polypeptide chains are still lacking. ...
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Pestivirus NS3 (p80) protein possesses RNA helicase activity.
... BVDV NS3 helicase ...BVDV NS3 protein does indeed possess the RNA helicase activity that had been predicted from the pres- ence of particular amino acid sequence motifs (10, ...BVDV NS3 ...
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11516.full.pdf
... HCV NS3 is a bifunctional enzyme consisting of protease and helicase ...and helicase activities are required for viral replication. NS3 has a 3⬘-to-5⬘ directional bias, unwinds both RNA and ...
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The Hepatitis C Virus NS3 Protein: A Model RNA Helicase and Potential Drug Target
... HCV Helicase Structures. (A). PDB file 1A1V, showing the HCV helicase with a bound DNA oligonucleotide and sulfate ion (Kim et ...full-length NS3 complex with the central portion of NS4A covalently ...
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IN SILICO STUDIES ON DENGUE AND ZIKA VIRAL PROTEINS WITH SELECTED EMBLICA OFFICINALIS GAERTN CONSTITUENTS
... protease, NS3 helicase, NS5 protein and capsid protein and Zika virus consists of NS1, NS2B/NS3 protease, NS3 helicase, NS5 protein It revealed that all the 4 compounds show minimum ...
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Nonstructural Protein 5A (NS5A) and Human Replication Protein A Increase the Processivity of Hepatitis C Virus NS5B Polymerase Activity In Vitro
... of NS3 helicase domain individu- ally and in combination to the rolling-circle template and initiated synthesis by adding NTP in the presence of 100 mM ...the NS3 helicase domain ...of ...
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Mutagenesis of the Dengue Virus Type 2 NS3 Protein within and outside Helicase Motifs: Effects on Enzyme Activity and Virus Replication
... The helicase of the flavivirus Dengue virus type 2 (DEN-2) is a member of su- perfamily 2, which includes the helicases of the pestivirus Bo- vine viral diarrhea virus (BVDV) and the hepacivirus Hepatitis C virus ...
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Structurally Conserved Amino Acid W501 Is Required for RNA Helicase Activity but Is Not Essential for DNA Helicase Activity of Hepatitis C Virus NS3 Protein
... to helicase trig- gers the close of the intercleft domain between domains 1 and 2 and thereby translocates domain 1 in the 3⬘-to-5⬘ direction along with a bound substrate ...the helicase as a ...HCV ...
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