>tr|A0A542XSD1|A0A542XSD1_SALAC Proteasome subunit beta OS=Salinispora arenicola GN=prcB MAAAFDPSGRLPDLFTSAGTSSFSAFLSMAAPELLPGRRPLPPGTAADLTPHATTIVAIA AAGGVVMAGDRRATMGNLIAQRDIEKVYPADAYSLVGMAGAAGIGIELIRLFQVELEHYE KIEGAMLSLDGKANRLAAMVRGNLGAAMQGLAVVPMFAGFDLAANDPVKAGRIFSFDVTG GPYEETGYDAVGSGSLFAKSALKKRFRVGLSVDDAMRLAVEALYDAADDDTATGGPDLTR RIYPVVMTVTAEGTHRLTEAETAAIAENVVAGRMENPGG