Signaling efficiency of Gaq through its effectors p63RhoGEF and GEFT depends on their subcellular location
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Signaling efficiency of Gαq through its effectors p63RhoGEF and GEFT depends on their subcellular location
The p63RhoGEF and GEFT proteins are encoded by the same gene and both members of the Dbl family of guanine nucleotide exchange factors. These proteins can be activated by the heterotrimeric G-protein subunit Gαq. We show that p63RhoGEF is located at the plasma membrane, whereas GEFT is confined to the cytoplasm. Live-cell imaging studies yielded quantitative information on diffusion coefficient...
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