Predicted to enable ubiquitin protein ligase activity. Predicted to be involved in protein monoubiquitination and protein polyubiquitination. Is expressed in ductus deferens; epididymis; esophagus; and testis. Orthologous to human TOPORSLP (topoisomerase I binding, arginine and serine rich like, pseudogene). [provided by Alliance of Genome Resources, Apr 2022]