8tua
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Full-length P-Rex1 in complex with inositol 1,3,4,5-tetrakisphosphate (IP4)
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Structural highlights
FunctionPREX1_HUMAN Functions as a RAC guanine nucleotide exchange factor (GEF), which activates the Rac proteins by exchanging bound GDP for free GTP. Its activity is synergistically activated by phosphatidylinositol 3,4,5-trisphosphate and the beta gamma subunits of heterotrimeric G protein. May function downstream of heterotrimeric G proteins in neutrophils. Contents | ||||||||||||||||||||
This page was last modified 08:03, 10 April 2024.