Predicted to enable guanyl-nucleotide exchange factor activity. Involved in lamellipodium assembly. Located in cell-cell junction and lamellipodium. Is expressed in somite and unsegmented mesenchyme. Human ortholog(s) of this gene implicated in intellectual disability and non-syndromic X-linked intellectual disability 46. Orthologous to human ARHGEF6 (Rac/Cdc42 guanine nucleotide exchange factor 6). [provided by Alliance of Genome Resources, Apr 2022]