>4a55_B mol:protein length:279 PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT ALPHA MNNNMSLQDAEWYWGDISREEVNEKLRDTADGTFLVRDASTKMHGDYTLTLRKGGNNKL IKIFHRDGKYGFSDPLTFSSVVELINHYRNESLAQYNPKLDVKLLYPVSKYQQDQVVKE DNIEAVGKKLHEYNTQFQEKSREYDRLYEEYTRTSQEIQMKRTAIEAFNETIKIFEEQC QTQERYSKEYIEKFKREGNEKEIQRIMHNYDKLKSRISEIIDSRRRLEEDLKKQAAEYR EIDKRMNSIKPDLIQLRKTRDQYLMWLTQKGVRQKKLNEWLGN