Predicted to enable endopeptidase activity. Predicted to be involved in proteasomal protein catabolic process. Predicted to act upstream of or within CD8-positive, alpha-beta T cell differentiation; T cell differentiation in thymus; and proteolysis. Predicted to be located in cytoplasm. Predicted to be part of proteasome core complex, beta-subunit complex. Predicted to be active in nucleus. Orthologous to human PSMB11 (proteasome subunit beta 11). [provided by Alliance of Genome Resources, Apr 2022]