GO biological process

proteolysis, ubiquitin-dependent protein catabolic process, response to zinc ion, proteolysis involved in cellular protein catabolic process

GO cellular component

proteasome complex, nucleus, cytoplasm, proteasome core complex, plasma membrane, proteasome core complex, alpha-subunit complex, cytosolic ribosome

GO molecular function

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