Predicted to enable ubiquitin protein ligase activity. Predicted to be involved in several processes, including negative regulation of NF-kappaB transcription factor activity; negative regulation of protein localization to nucleus; and protein modification by small protein conjugation. Predicted to be part of IkappaB kinase complex. Predicted to be active in cytoplasm. Orthologous to human TRIM40 (tripartite motif containing 40). [provided by Alliance of Genome Resources, Apr 2022]