Predicted to enable ubiquitin-protein transferase activity. Acts upstream of or within several processes, including cellular response to interleukin-6; negative regulation of transcription by RNA polymerase II; and positive regulation of protein sumoylation. Located in cytosol; nucleus; and perinuclear region of cytoplasm. Is expressed in genitourinary system and pancreas epithelium. Orthologous to human TRAF7 (TNF receptor associated factor 7). [provided by Alliance of Genome Resources, Apr 2022]