Predicted to enable threonine-type endopeptidase activity. Predicted to be involved in proteasomal protein catabolic process. Predicted to be located in P-body and nucleoplasm. Predicted to be part of proteasome core complex, alpha-subunit complex. Predicted to be active in cytosol and nucleus. Orthologous to human PSMA4 (proteasome 20S subunit alpha 4). [provided by Alliance of Genome Resources, Apr 2022]