Predicted to enable structural molecule activity. Predicted to be involved in proteasome assembly; stem cell differentiation; and ubiquitin-dependent protein catabolic process. Part of proteasome regulatory particle. Is expressed in central nervous system; heart; neural retina; and skeletal muscle. Orthologous to human PSMD11 (proteasome 26S subunit, non-ATPase 11). [provided by Alliance of Genome Resources, Apr 2022]