Predicted to enable GTPase activator activity. Predicted to be involved in positive regulation of endothelial cell migration; positive regulation of endothelial cell-matrix adhesion via fibronectin; and positive regulation of vasculogenesis. Predicted to act upstream of or within endocytosis. Predicted to be located in cytoplasm. Orthologous to human RIN2 (Ras and Rab interactor 2). [provided by Alliance of Genome Resources, Apr 2022]