Predicted to enable guanyl-nucleotide exchange factor activity; myosin binding activity; and protein kinase A regulatory subunit binding activity. Involved in neuron projection development and positive regulation of protein kinase B signaling. Located in trans-Golgi network. Orthologous to human ARFGEF1 (ADP ribosylation factor guanine nucleotide exchange factor 1). [provided by Alliance of Genome Resources, Apr 2022]