>sp|C3MVG1|PSA_SULIM Proteasome subunit alpha OS=Sulfolobus islandicus GN=psmA MAFGPAAMGYDRAITIFSPDGSLYQVDYAFEAVKKGWTAIGIKSKSGVVIASEKRKAQSL LDVDSIEKVFLIDDHVGCSFAGLASDGRVLIDYARNIALQHRLIYDEPVSIDYLTKSVAD VKQMYTQHGGVRPFGVALVIAGIDKSVPKLYMTEPSGQYMPYQAVAIGQGYYTATEFLEK NYKEDLTIEDTILLALKALSATLKPNEKLTPNTVEIGYASTQTGLFLKMTSEDKNMYLQK L