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prex1

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Official Full Name
phosphatidylinositol-3,4,5-trisphosphate-dependent Rac exchange factor 1
Background
The protein encoded by this gene acts as a guanine nucleotide exchange factor for the RHO family of small GTP-binding proteins (RACs).It has been shown to bind to and activate RAC1 by exchanging bound GDP for free GTP. The encoded protein, which is found mainly in the cytoplasm, is activated by phosphatidylinositol-3,4,5-trisphosphate and the beta-gamma subunits of heterotrimeric G proteins.
Synonyms
PREX1; phosphatidylinositol-3,4,5-trisphosphate-dependent Rac exchange factor 1; phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein; KIAA1415; P REX1; ptdIns(3,4,5)-dependent Rac exchanger 1; P-REX1