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The nucleoprotein of influenza B virus (BNP) shares several characteristics with its influenza A virus counterpart (ANP), including localization in the host's nucleus. However, while the nuclear localization signal(s) (NLS) of ANP are well characterized, little is known about those of BNP. In this study, we showed that the fusion protein bearing the BNP N-terminus fused with GFP (N70–GFP) is exclusively...
We previously discovered that nuclear import of low risk HPV11 E7 is mediated by its zinc-binding domain via a pathway that is independent of karyopherins/importins (Piccioli et al., 2010. Virology 407, 100–109). In this study we mapped and characterized a leucine-rich nuclear export signal (NES), 76IRQLQDLLL84, within the zinc-binding domain that mediates the nuclear export of HPV11 E7 in a CRM1-dependent...
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