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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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A mutant SV40 large T antigen interferes with nuclear localization of a heterologous protein.

A mutant SV40 genome carrying a frameshift at the carboxyl terminus of the large T antigen failed to replicate SV40 DNA and to transform rat2 cells, although the altered region is known to be dispensable for these functions. The mutant T antigen also failed to localize normally in the nucleus and interfered with nuclear localization of at least one other nuclear protein, adenovirus fiber. A double mutant carrying an additional lesion in the nuclear localization signal was also localized in the cytoplasm, but regained the ability to transform rat2 cells and no longer affected the nuclear localization of fiber protein. We suggest that the frameshift T antigen may disrupt a mechanism required for nuclear localization of proteins.[1]

References

  1. A mutant SV40 large T antigen interferes with nuclear localization of a heterologous protein. Schneider, J., Schindewolf, C., van Zee, K., Fanning, E. Cell (1988) [Pubmed]
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