>5gji_B mol:protein length:8 T-cell-specific surface glycoprotein CD28 SDYMNMTP >5gji_A mol:protein length:108 Phosphatidylinositol 3-kinase regulatory subunit alpha GSNMSLQNAEWYWGDISREEVNEKLRDTADGTFLVRDASTKMHGDYTLTLRKGGNNKLI KIFHRDGKYGFSDPLTFSSVVELINHYRNESLAQYNPKLDVKLLYPVSK >5gji_B mol:protein length:8 T-cell-specific surface glycoprotein CD28 SDYMNMTP