>sp|P28020|CSK21_XENLA Casein kinase II subunit alpha OS=Xenopus laevis GN=csnk2a1 MSGPVPSRARVYTDVNTHRPRDYWDYESHVVEWGNQDDYQLVRKLGRGKYSEVFEAINIT NNEKVVVKILKPVKKKKIKREIKILENLRGGPNIITLADIVKDPVSRTPALVFEHVNNTD FKQLYQTLTDYDIRFYMYEILKALDYCHSMGIMHRDVKPHNVMIDHEHRKLRLIDWGLAE FYHPGQEYNVRVASRYFKGPELLVDYQMYDYSLDMWSLGCMLASMIFRKEPFFHGHDNYD QLVRIAKVLGTEDLYDYIDKYNIELDPRFNDILGRHSRKRWERFVHSENQHLVSPEALDF LDKLLRYDHQTRLTAREAMDHPYFYPIVKDQSRMGGSNMPSGSSTPVSSASMMSGISTVP TPSALGSLAGSPVISATNTLGTPVAAAAGATQ