RIG-I (retinoic acid-inducible gene I; Ddx58), a member of the DEAD-box RNA helicases, is activated by cytoplasmic dsRNA and 5’-ppp RNA produced during the viral replication. The protein is characterized by a N-terminal region with two caspase recruitment domains (CARD) and a C-terminal region harboring potential ATP-dependent RNA helicase activity. RIG-1 recruits the CARD adaptor inducing IFN-β (Cardif) in a CARD-CARD-dependent manner resulting in NF-κB and IRF3 activation.
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Regulatory Status |
RUO – Research Use Only |
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