>sp|Q980L4|PSB1_SACS2 Proteasome subunit beta 1 OS=Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2) OX=273057 GN=psmB1 PE=3 SV=1 MEELPATAVGLKVNDGIVLASERRLSYGGYVLSKQAKKVYKINKFLMAGAGIYGDLQTLT RIMNVEIKYYEVSTGKPISVHAAAKLLSVILYQYKVMPFISEILFGGVDEKGPQLYVLDP IGSLIEDNYAAVGSGARIAIGVLESEYDPNMSLDVATQLITKAIKASIERDITSGDGIDL AIIDKKGNYENKFIPY