>1OO3_1|Chain A|Phosphatidylinositol 3-kinase regulatory alpha subunit|Bos taurus (9913) GMNNNMSLQDAEWYWGDISREEVNEKLRDTADGTFLVRDASTKMHGDYTLTLRKGGNNKSIKIFHRDGKYGFSDSLTFNSVVELINHYRNESLAQYNPKLDVKLLYPVSKY