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

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Cell cycle regulation of nuclear factor p32 DNA-binding activity by novel phase-specific inhibitors.

The nuclear factor p92, originally discovered by its interaction with the human papillomavirus type 18 enhancer, is a cellular protein whose activity is restricted to S phase in human primary fibroblasts. The human papillomavirus type 18 p92 binding sequence confers enhancer activity on a heterologous promoter, suggesting that p92 acts as a transcription factor. We have identified a class of nuclear inhibitory proteins, I-92s, which noncovalently associate with p92 but not with other transcription factors such as AP1, E2F, or NF-kappaB. Different I-92s occur in G1, G2, and G0, while no I-92 is detectable in S phase. Phase-specific inhibitors, therefore, are responsible for the cell cycle dependence of p92 activity and provide a novel mechanism linking transcription factor regulation with the cell cycle.[1]

References

  1. Cell cycle regulation of nuclear factor p32 DNA-binding activity by novel phase-specific inhibitors. Grinstein, E., Weinert, I., Droese, B., Pagano, M., Royer, H.D. J. Biol. Chem. (1996) [Pubmed]
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