Predicted to enable guanyl-nucleotide exchange factor activity and phospholipid binding activity. Predicted to be involved in regulation of ARF protein signal transduction. Located in several cellular components, including cleavage furrow; neuronal cell body; and ruffle membrane. Is active in glutamatergic synapse and postsynapse. Is expressed in central nervous system; eye; genitourinary system; hemolymphoid system gland; and lung. Orthologous to human PSD2 (pleckstrin and Sec7 domain containing 2). [provided by Alliance of Genome Resources, Apr 2022]