Predicted to enable guanyl-nucleotide exchange factor activity and protein domain specific binding activity. Predicted to be involved in filopodium assembly and lamellipodium assembly. Predicted to be located in cytoplasm. Is expressed in spinal cord and ventricular layer. Orthologous to human ARHGEF4 (Rho guanine nucleotide exchange factor 4). [provided by Alliance of Genome Resources, Apr 2022]