Article
A novel and evolutionarily conserved PtdIns(3,4,5)P3-binding domain is necessary for DOCK180 signalling.
Nature cell biology - 1 Aug 2005
Côté Jean-François, Motoyama Andrea B, Bush Jason A, Vuori Kristiina
Abstract excerpt
The evolutionarily conserved DOCK180 protein has an indispensable role in cell migration by functioning as an exchange factor for Rac GTPase via its DOCK homology region (DHR)-2 domain. We report here that the conserved DHR-1 domain also has an important signalling role. A form of DOCK180 that lacks DHR-1 fails to promote cell migration, although it is capable of inducing Rac GTP-loading. The DHR-1 domain...
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