Predicted to enable ubiquitin conjugating enzyme activity. Involved in cellular response to arsenite(3-) and cellular response to cadmium ion. Predicted to be active in nucleus. Orthologous to human UBE2D2 (ubiquitin conjugating enzyme E2 D2); UBE2D3 (ubiquitin conjugating enzyme E2 D3); and UBE2D4 (ubiquitin conjugating enzyme E2 D4 (putative)). [provided by Alliance of Genome Resources, Apr 2022]