Predicted to enable guanyl-nucleotide exchange factor activity. Predicted to be involved in cell morphogenesis and regulation of Rho protein signal transduction. Predicted to act upstream of or within central nervous system neuron axonogenesis and neurofilament cytoskeleton organization. Predicted to be located in cytoplasm and plasma membrane. Orthologous to human ARHGEF28 (Rho guanine nucleotide exchange factor 28). [provided by Alliance of Genome Resources, Apr 2022]