>tr|A0A837D7P9|A0A837D7P9_9PSEU Proteasome subunit beta OS=Saccharomonospora viridis GN=prcB MEHTPRNAGFALPAAYMSTMTSSFIDFLKAEAPDLLPRARVENMPAVPGGGSAFEPPHGT TIVASTFNGGVLIAGDRRATTGNTIASRDLEKVYVTDAYSAVGIAGTAGIALELVRLYTV ELAHYEKIEGVSLSLDGKANKLANMVKGNLDGALAGLAVLPLFVGYDIDADDPKRAGRIV SFDVTGGRYEENAGYHAIGSGAVYAKSSLKKLYDPEADADTAVRTAIEALYDAADDDTAT GGPDLVRRIYPTVVTITAEHGAVMLPQEETASIAESVVRERSERPGQLG