The PKR-binding domain of adenovirus VA RNAI exists as a mixture of two functionally non-equivalent structures.

Nucleic Acids Res · 2009 · PMC2761268 · PMID 19635730

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might be significantno p-value reported

However, at earlier times when PKR is first activated in response to viral dsRNA and VA RNA I levels are considerably lower, this difference might be significant.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.