Predicted to enable guanyl-nucleotide exchange factor activity. Predicted to be involved in retrograde transport, endosome to Golgi. Predicted to act upstream of or within protein transport. Predicted to be located in cytoplasm and cytoskeleton. Predicted to be active in actin cytoskeleton. Is expressed in head. Orthologous to human DENND2A (DENN domain containing 2A). [provided by Alliance of Genome Resources, Apr 2022]