>2pna_A mol:protein length:104 PHOSPHATIDYLINOSITOL 3-KINASE P85-ALPHA SUBUNIT N-TERMINAL SH2 DOMAINLQDAEWYWGDISREEVNEKLRDTADGTFLVRDASTKMHGDYTLTLRKGGNNKLIKIFHRDGKYGFSDPLTFNSVVELINHYRNESLAQYNPKLDVKLLYPVSKY