>sp|A4YCU9|PSA_METS5 Proteasome subunit alpha OS=Metallosphaera sedula GN=psmA MAFGPAAMGYDRAITIFSPDGSLYQVDYAFEAVKKGWTTLGVKTKNAVVILGEKKKASQL LDVDSIEKVFLLDDHVGCSFAGLASDGRILIDYARNSSLQHRLVYDEPISIDYLTKLISD VKQMYTQHGGVRPFGVALIVGGVDRGVTKLFMTEPSGQFMPYQAVAIGQGGYNATDYLEK NYKEDLSVEETILLALNALKVTLKPGEKLGPGNVEIGFATKEGQFRKMTLEERANYLQKI