In vitro analysis of virus-associated RNA I (VAI RNA): inhibition of the double-stranded RNA-activated protein kinase PKR by VAI RNA mutants correlates with the in vivo phenotype and the structural integrity of the central domain.

Abstract excerpt

Adenoviruses use the virus-encoded virus-associated RNA (VAI RNA) as a defense against cellular antiviral response by blocking the activation of the interferon-induced, double-stranded RNA-activated protein kinase PKR. The structure of VAI RNA consists of two long, imperfectly base-paired duplex regions connected by a complex short stem-loop at the center, referred to as the central domain. By using a series of...

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