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J Gen Virol. 2014 Oct;95(Pt 10):2099-105. doi: 10.1099/vir.0.066282-0. Epub 2014 Jun 13.

Conformational plasticity of the influenza A virus NS1 protein.

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MRC - University of Glasgow Centre for Virus Research, 8 Church Street, Glasgow, G11 5JR, UK


During infection, the influenza A virus non-structural protein 1 (NS1) interacts with a diverse range of viral and cellular factors to antagonize host antiviral defences and promote viral replication. Here, I review the structural basis for some of these functions and discuss the emerging view that NS1 cannot simply be regarded as a 'static' protein with a single structure. Rather, the dynamic property of NS1 to adopt various quaternary conformations is critical for its multiple activities. Understanding NS1 plasticity, and the mechanisms governing this plasticity, will be essential for assessing both fundamental protein function and the consequences of strain-dependent polymorphisms in this important virulence factor.

[Indexed for MEDLINE]

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