>sp|A4YJ04|PSB2_METS5 Proteasome subunit beta 2 OS=Metallosphaera sedula GN=psmB2 MEELPSTAVGIRLQDGVILGAVRRLSYGGYVLSKSAKKVFPISRFGIGGAGLFGDLQALT RIMNANIKYYELYNNRPISTRAAAKLLSIILYQYKYMPFISEVLFGGVDNGEPQLYVLDP LGSLLDDIYAAVGSGARVAIGVLEAEYSEKLTLTQGRELTIKSLRASAERDVTSGDGIDI LTISKDGKINTEFLSS