>sp|A0JWY6|PSB_ARTS2 Proteasome subunit beta OS=Arthrobacter sp. GN=prcB MQDTTANQVAANATSSFTEHLQRNRPGLLPYNQPFPAALTGAGSQPLQVPHATTIVSLTY GGGVLMAGDRRATMGNVIASRHIEKVFPADSYSVLGIAGTAGIAIDLTRLFQVELEHYEK IEGTLLSLEGKANRLGAMIRGNLPMAMQGLAVVPLFAGFDLPVGIGRLFSYDVTGGRYEE KEHHAVGSGSVFARGALKKLWRPGLTAEEAVAVAVESLYDAADDDSATGGPDPVRQLWPV VYTVERSGARRIPDHDLASVAGAIIEARTTARREA