>tr|A0A4D8RTJ9|A0A4D8RTJ9_METPR Proteasome subunit beta OS=Metallosphaera prunae GN=psmB MEELPSTAVGIRLQDGVILGAVRRLSYGGYVLSKSAKKVFPISRFGIGGAGLFGDLQALT RIMNANIKYYELYNNRPISTRAAAKLLSIILYQYKYMPFISEVLFGGVDNGEPQLYVLDP LGSLLDDIYAAVGSGARVAIGVLEAEYSEKLTLTQGRELTIKSLRASAERDVTSGDGIDI LTISKDGKINTEFLSS