>tr|A0A837H320|A0A837H320_9ACTN Proteasome subunit beta OS=Streptomyces sp. WM6391 GN=prcB MEANTRSTGRLPAAFLTPGSSSFMDFLGEHQPEMLPGNRQLPPVQGVIEAPHGTTIVAVT FPGGVVLAGDRRATMGNMIAQRDIEKVFPADEYSAVGIAGTAGLAVEMVKLFQLELEHFE KVEGAQLSLEGKANRLSTMIRSNLGMAMQGLAVVPLFAGYDVDRGRGRIFSYDVTGGRSE ERHFATTGSGSVFARGAMKKLFRDDLTEEQATTLVVQALYDAADDDSATGGPDVARRIYP IITVITEDGFRRLGEDEAAELAGSVLQARLEQPDGPRAALL