function:Plasma membrane-associated small GTPase which cycles between an active GTP-bound and an inactive GDP-bound state. Causes the formation of thin, actin-rich surface projections called filopodia. Functions cooperatively with CDC42 and Rac to generate additional structures, increasing the diversity of actin-based morphology.,similarity:Belongs to the small GTPase superfamily. Rho family.,
Cell membrane ; Lipid-anchor ; Cytoplasmic side . Cytoplasm, cytoskeleton.
Colon mucosa,Ovary,
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