Predicted to enable protein tag and ubiquitin protein ligase binding activity. Predicted to be a structural constituent of ribosome. Predicted to be involved in modification-dependent protein catabolic process and protein ubiquitination. Located in synapse. Orthologous to human UBA52 (ubiquitin A-52 residue ribosomal protein fusion product 1). [provided by Alliance of Genome Resources, Apr 2022]