Glycogen synthase kinase 3 negatively regulates IFN regulatory factor 3 transactivation through phosphorylation at its linker region.

Abstract excerpt

Upon virus infection, the host innate immune response is initiated through the activation of IFN regulatory factor 3 (IRF3) and NF-κB signaling pathways to induce IFN production. Previously, we demonstrated EBV BGLF4 kinase suppresses IRF3 function in a kinase activity-dependent manner. The replacement of Ser123, Ser173 and Thr180 into alanines at the proline-rich linker region of IRF3 abolishes BGLF4-mediated...

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