... IFN-b through the phosphorylation of multiple cellular factors, including IFN regulatory fac-tor-3 (IRF-3) and kinases, including the Tank-bindingkinase 1 (TBK-1) and inhibitor of j B kinase e ... expression of the IRF-3 ORF. The obtained DNA fragment was subclonedinto the XhoI and HindIII sites of pEGFP-C1 (Clontech,Mountain View, CA, USA), and the obtained pEGFP-C1 ⁄ IRF-3 was used for ... by the host and virally encoded serine prote-ase located in the amino-terminal domain of NS3. Ser-ine protease activity of NS3 requires NS4A, a proteinconsisting of 54 amino acid residues,...