Predicted to enable ubiquitin protein ligase activity. Predicted to be involved in protein autoubiquitination. Predicted to be active in cytoplasm. Is expressed in several structures, including adrenal gland; central nervous system; liver lobe; olfactory epithelium; and thymus primordium. Orthologous to human RNF181 (ring finger protein 181). [provided by Alliance of Genome Resources, Apr 2022]