>1FU5_1|Chain A|PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY ALPHA SUBUNIT|Rattus norvegicus (10116) GMNNNMSLQDAEWYWGDISREEVNEKLRDTADGTFLVRDASTKMHGDYTLTLRKGGNNKSIKIFHRDGKYGFSDPLTFNSVVELINHYRNESLAQYNPKLDVKLLYPVSKY >1FU5_2|Chain B|DOUBLY PHOSPHORYLATED MIDDLE T ANTIGEN|null EEEYMPMEDLYLDIL