Báo cáo Y học: Transcriptional activity of interferon regulatory factor (IRF)-3 depends on multiple protein–protein interactions
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Virus infection results in the activation of a set of cellular genes involved in host antiviral defense. IRF-3 has been identifiedas a critical transcription factor in this process. The activationmechanismof IRF-3 is not fully elucidated,yet it involves a conformational change triggered by the virus-dependent phosphorylation of its C-terminus. This con-formational change leads to nuclear accumulation,DNA binding and transcriptional transactivation.
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