Predicted to enable guanyl-nucleotide exchange factor activity. Predicted to be involved in cell migration and positive regulation of Ras protein signal transduction. Is expressed in amygdala; olfactory epithelium; telencephalon mantle layer; and vomeronasal organ. Orthologous to human RASGEF1A (RasGEF domain family member 1A). [provided by Alliance of Genome Resources, Apr 2022]