Distinct functions for ERKs?
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Journal of Biology 2006, 5:13 doi:10.1186/jbiol46Published: 19 July 2006
The Ras/Raf/MEK/ERK signaling pathway is one of the best understood signal routes in cells. Recent studies add complexity to this cascade by indicating that the two ERK kinases, ERK1 (p44ERK1) and ERK2 (p42ERK2), may have distinct functions.