>2v1y_B mol:protein length:170 PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT ALPHA YQQDQVVKEDNIEAVGKKLHKYNTQFQEKSREYDRLYEEYTRTSQEIQMKRTAIEAFNE TIKIFEEQCQTQERYSKEYIEKFKREGNEKEIQRIMHNYDKLKSRISEIIDSRRRLEED LKKQAAEYREIDKRMNSIKPDLIQLRKTRDQYLMWLTQKGVRQKKLNEWLGN