Predicted to enable guanyl-nucleotide exchange factor activity and phosphatidylinositol phosphate binding activity. Predicted to be involved in cytoskeleton organization and filopodium assembly. Predicted to act upstream of or within positive regulation of JUN kinase activity. Predicted to be located in early endosome; nucleus; and ruffle. Predicted to be active in cytoplasm. Orthologous to human FGD2 (FYVE, RhoGEF and PH domain containing 2). [provided by Alliance of Genome Resources, Apr 2022]