>sp|C3NEC6|PSA_SULIY Proteasome subunit alpha OS=Sulfolobus islandicus GN=psmA MAFGPAAMGYDRAITIFSPDGSLYQVDYAFEAVKKGWTAIGIKSKSGVVIASEKRKAQSL LDVDSIEKVFLIDDHVGCSFAGLASDGRVLIDYARNIALQHRLIYDEPVSIDYLTKSVAD VKQMYTQHGGVRPFGVALVIAGIDKSVPKLYMTEPSGQYMPYQAVAIGQGYYTATEFLEK NYKEDLTIEDTILLALKALSATLKPNEKLTPNTVEIGYASTQTGLFLKMTSEDKNMYLQK L