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Docking protein 5
The protein encoded by this gene is a member of the DOK family of membrane proteins, which are adapter proteins involved in signal transduction. The encoded protein interacts with phosphorylated receptor tyrosine kinases to mediate neurite outgrowth and activation of the MAP kinase pathway. In contrast to other DOK family proteins, this protein does not interact with RASGAP. [provided by RefSeq, Jul 2008] (from
He et al., Shanghai, China. In Mol Imaging Biol, 2009
RESULTS: By using fluorescence resonance energy transfer technology, we demonstrated, for the first time to our knowledge, that Dok5 and Dok1 could form homomeric and heteromeric associations in living cells.
In the present study, single-molecule fluorescence microscopy was used to examine the characteristics of plasma membrane targeting and microdomain localization of enhanced yellow fluorescent protein (eYFP)-tagged wild-type Dok5 and its variants in living Chinese hamster ovary (CHO) cells.
Using yeast two-hybrid and biochemical binding assays, we show that only the PTB domain from Dok1 but not Dok4 or Dok5 can selectively bind to two known tyrosine phosphorylation sites at Y1086 and Y1148 in EGFR.