function:Binds to activated CDC42 and RAC1 but does not seem to stimulate their GTPase activity. Associates with calmodulin.,similarity:Contains 1 CH (calponin-homology) domain.,similarity:Contains 1 Ras-GAP domain.,similarity:Contains 1 WW domain.,similarity:Contains 3 IQ domains.,tissue specificity:Isoform 2 expression is enhanced in testis.,
cytoplasm,cytosol,microtubule,microvillus,cell surface,actin cytoskeleton,lamellipodium,filopodium,filamentous actin,extracellular exosome,
Isoform 2 expression is enhanced in testis.