>sp|D3Q557|PSB_STANL Proteasome subunit beta OS=Stackebrandtia nassauensis GN=prcB MSGTAEFPGRIPAPYLEVGSSSFVELLGSVAPELLPGRRPLPPGDMGDAAPHGTTIVALR CNEGVVMAGDRRATQGNMISLRDIQKVFPADAYSLIGIAGTAGLGVEMIRLFQAELEHFE KLEGNALSLHGKANKLANMIRGNLGIAMQGLAVLPLFAGFDTDAPDAASAGRIFSYDVVG GIYEEREYDAIGSGSIFAKSALKKRFQSEVDATEATRLAIEALYDAADDDSATGGPDLTR KLFPTVFTATADGAKRVPDAEIEAVSRAVVAARLENPGG