GO biological process

proteolysis, proteasome-mediated ubiquitin-dependent protein catabolic process, proteolysis involved in cellular protein catabolic process

GO cellular component

proteasome complex, nucleus, cytoplasm, proteasome core complex, proteasome core complex, beta-subunit complex

GO molecular function

endopeptidase activity, threonine-type endopeptidase activity, peptidase activity, hydrolase activity