>tr|A0A4S2WKA7|A0A4S2WKA7_9ACTN Proteasome subunit beta OS=Streptomyces sp. LRa12 GN=prcB MEANTRSTGRLPAAFLTPGSSSFMDFLGEHQPEMLPGNRQLPPVQGVIEAPHGTTIVAVT FPGGVVLAGDRRATMGNMIAQRDIEKVFPADEYSAVGIAGTAGLAVEMVKLFQLELEHFE KVEGAQLSLEGKANRLSTMIRSNLGMAMQGLAVVPLFAGYDVDRGRGRIFSYDVTGGRSE ERHFATTGSGSVFARGAMKKLFRDDLTEEQATTLVVQALYDAADDDSATGGPDVARRIYP IITVITEDGFRRLGEDEAAELAGSVLQARLEQPDGPRAALL