>2IUG_1|Chain A|PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY ALPHA SUBUNIT|HOMO SAPIENS (9606) GMNNNMSLQNAEWYWGDISREEVNEKLRDTADGTFLVRDASTKMHGDYTLTLRKGGNNKLIKIFHRDGKYGFSDPLTFSSVVELINHYRNESLAQYNPKLDVKLLYPVSKYQQDQVVKED