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

Identification of extracellular signal-regulated kinase 3 as a new interaction partner of cyclin D3.

Cyclin D3, like cyclin D1 and D2 isoforms, is a crucial component of the core cell cycle machinery in mammalian cells. It also exhibits its unique properties in many other physiological processes. In the present study, using yeast two-hybrid screening, we identified ERK3, an atypical mitogen-activated protein kinase ( MAPK), as a cyclin D3 binding partner. GST pull-down assays showed that cyclin D3 interacts directly and specifically with ERK3 in vitro. The binding of cyclin D3 and ERK3 was further confirmed in vivo by co-immunoprecipitation assay and confocal microscopic analysis. Moreover, carboxy-terminal extension of ERK3 was responsible for its association with intact cyclin D3. These findings further expand distinct roles of cyclin D3 and suggest the potential activity of ERK3 in cell proliferation.[1]

References

  1. Identification of extracellular signal-regulated kinase 3 as a new interaction partner of cyclin D3. Sun, M., Wei, Y., Yao, L., Xie, J., Chen, X., Wang, H., Jiang, J., Gu, J. Biochem. Biophys. Res. Commun. (2006) [Pubmed]
 
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