Predicted to enable guanyl-nucleotide exchange factor activity. Predicted to be located in cytoplasm. Predicted to be active in cytosol and nucleoplasm. Is expressed in several structures, including alimentary system; brain; genitourinary system; immune system; and respiratory system. Orthologous to human DENND2D (DENN domain containing 2D). [provided by Alliance of Genome Resources, Apr 2022]