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

CNK, a RAF- binding multidomain protein required for RAS signaling.

Kinase suppressor of ras (ksr) is required for efficient signal transmission within the RAS/ MAPK cascade. A screen for mutations that modify a ksr-dependent phenotype identified a novel gene, connector enhancer of ksr (cnk), that functions upstream or in parallel to RAF in the RAS pathway. cnk encodes a protein containing several protein-protein interaction domains, suggesting that it brings different signaling molecules together. CNK is required in multiple receptor tyrosine kinase pathways where it appears to be a tyrosine phosphorylation target. Finally, CNK physically interacts with RAF and appears to localize to cell-cell contact regions. Together, these findings suggest that CNK is a novel component of a RAS-dependent signaling pathway that regulates RAF function and/or targets RAF to a specific subcellular compartment upon RAS activation.[1]

References

  1. CNK, a RAF-binding multidomain protein required for RAS signaling. Therrien, M., Wong, A.M., Rubin, G.M. Cell (1998) [Pubmed]
 
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