Enables ubiquitin protein ligase binding activity. Involved in negative regulation of cell death. Acts upstream of or within cellular protein localization and spermatid development. Located in several cellular components, including cell body; manchette; and sperm midpiece. Is expressed in brain; pancreas trunk epithelium; and spinal cord ventricular layer. Orthologous to human PACRG (parkin coregulated). [provided by Alliance of Genome Resources, Apr 2022]