SLIT-ROBO Rho GTPase-activating protein 2 - O75044 (SRGP2_HUMAN)


Protein Feature View of PDB entries mapped to a UniProtKB sequence  

RAC1 GTPase activating protein (GAP) that binds and deforms membranes, and regulates actin dynamics to regulate cell migration and differentiation. Plays an important role in different aspects of neuronal morphogenesis and migration mainly during development of the cerebral cortex. This includes the biogenesis of neurites, where it is required for both axons and dendrites outgrowth, and the maturation of the dendritic spines. Also stimulates the branching of the leading process and negatively regulates neuron radial migration in the cerebral cortex. Its interaction and inhibition by SRGAP2C reduces the rate of spine maturation, alters dendritic spine morphology and density and indirectly increases neuronal migration. It may have implications for cognition, learning and memory. In non-neuronal cells, it may also play a role in cell migration by regulating the formation of lamellipodia and filopodia. UniProt
Pathway Maps
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Subunit Structure
Homodimer (Probable). Forms a heterooligomer with SRGAP1 and SRGAP3 through its F-BAR domain. Interacts (via SH3 domain) with GPHN (By similarity). Interacts with SRGAP2C; formation of the heterodimer alters SRGAP2 function. Interacts (via SH3 domain) with FMNL1 (activated by RAC1); regulates the actin filament severing activity of FMNL1 and actin dynamics. Interacts (via SH3 domain) with FMNL3. Interacts with RAC1; specifically stimulates RAC1 GTPase activity. Probably interacts with ROBO1 and ROBO2. Interacts with FASLG. Interacts with PRMT5. UniProt
The F-BAR domain mediates oligomerization, binds membranes, and induces plasma membrane protrusions. UniProt
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