Predicted to enable SH3 domain binding activity and guanyl-nucleotide exchange factor activity. Predicted to be involved in small GTPase mediated signal transduction. Located in cytoplasm. Is expressed in central nervous system and retina. Human ortholog(s) of this gene implicated in attention deficit hyperactivity disorder. Orthologous to human DOCK3 (dedicator of cytokinesis 3). [provided by Alliance of Genome Resources, Apr 2022]