Article
Regulation of proto-Dbl by intracellular membrane targeting and protein stability.
The Journal of biological chemistry - 31 May 2002
Vanni Cristina, Mancini Patrizia, Gao Yuan, Ottaviano Catherine, Guo Fukun, Salani Barbara, Torrisi Maria Rosaria, Zheng Yi, Eva Alessandra
Abstract excerpt
The pleckstrin homology (PH) domain of onco-Dbl, a guanine nucleotide exchange factor (GEF) for Cdc42 and RhoA GTPases, interacts with phosphoinositides (PIPs). This interaction modulates both the GEF activity and the targeting to the plasma membrane of onco-Dbl. Conversely, we have previously shown that in proto-Dbl an intramolecular interaction between the N-terminal domain and the PH domain imposes a negative...
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