>sp|D2ATV1|PSB_STRRD Proteasome subunit beta OS=Streptosporangium roseum GN=prcB MGSHRDLPAGMVNHIFTNSGISSFTEFVGSYAPDLLPGRNETLAAPVGDRIPHATTIVAA TCAGGVVMAGDRRATSGNIISQRDMEKVFRTDDYSCMGIAGTASTGIEMARLYRVELEHY EKMEGRTLSVAGKANRLATMIRGNLGMAMQGLVVVPLFAAYDPEIDGGRIFGYDVGGGPY EQQQYHSIGSGSIFARGSLKKLYRENASPEEVVLTLIHALYDAADDDSATGGPDVTRKIW PVVAQITADGFHRLSDEEVGGHVQTVLQERMSSPDGPVAPLR