>sp|A2BN27|PSB2_HYPBU Proteasome subunit beta 2 OS=Hyperthermus butylicus GN=psmB2 MLHHPGTGQLRALKGTTTVGIVFRDFVVLAADRRATAGYFVAHKRTKKIIKITDYMAMTT AGLVADAQMLAEWLANHTHYYEIVNKRRMSIHAAAQYLSIILHSAKFYPYIVQLLLGGYD TQPRLYNIDWFGSVTEEKYVATGSGSPTAIGVIEDQYSPNLSMEEAVELAKRAVASSIRR DTFTGNGVDVVVIGKDFYREYSFELKDILKTK