Controls cell shape changes in the neuroepithelium during neural tube closure. Induces apical constriction in epithelial cells by promoting the apical accumulation of F-actin and myosin II, and probably by bundling stress fibers (By similarity). Induces apicobasal cell elongation by redistributing gamma-tubulin and directing the assembly of robust apicobasal microtubule arrays (By similarity).
Subcellular locations: Cell junction, Adherens junction, Cytoplasm, Cytoskeleton, Apical cell membrane
Colocalizes with F-actin in stress fibers and adherens junctions.