Predicted to enable GTPase activator activity and guanyl-nucleotide exchange factor activity. Predicted to be involved in activation of GTPase activity; positive regulation of axonogenesis; and small GTPase mediated signal transduction. Predicted to be located in cytoplasm. Predicted to be active in membrane and synapse. Orthologous to human TIAM2 (TIAM Rac1 associated GEF 2). [provided by Alliance of Genome Resources, Apr 2022]