Predicted to enable guanyl-nucleotide exchange factor activity. Predicted to be involved in cellular response to insulin stimulus and protein localization to plasma membrane. Predicted to be located in several cellular components, including Golgi apparatus; cytosol; and insulin-responsive compartment. Predicted to be part of retromer complex. Orthologous to human DENND4C (DENN domain containing 4C). [provided by Alliance of Genome Resources, Apr 2022]