Enables ubiquitin-protein transferase activity. Predicted to be involved in protein K11-linked ubiquitination; protein K48-linked ubiquitination; and protein autoubiquitination. Predicted to be part of ubiquitin ligase complex. Predicted to be active in nucleus. Orthologous to human UBE2D2 (ubiquitin conjugating enzyme E2 D2). [provided by Alliance of Genome Resources, Apr 2022]