Predicted to enable GTPase regulator activity. Predicted to be involved in small GTPase mediated signal transduction. Predicted to act upstream of or within regulation of catalytic activity. Predicted to be located in brush border; cytosol; and nucleus. Is expressed in several structures, including blastocyst; early embryo; nervous system; ovary; and retina. Orthologous to human RALGDS (ral guanine nucleotide dissociation stimulator). [provided by Alliance of Genome Resources, Apr 2022]