LDRADILYNIRQTSRPDVIPTQRRPVAVSVSLKFINILEVNEITNEVDVV FWQQTTWSDRTLAWNSSHSPDQVSVPISSLWVPDLAAYNAISKPEVLTPQ LAHVVSDGEVQYTPSIRQRFSCDVSGVDTESGATCRIKIGSWTHHSREIS VDPTDDSEYFSQYSRFEILDVTQKKNSVTYSCCPEAYEDVEVSLNFRKKG R
4um3 Achbp Engineered to Mimic the Alpha4-Alpha4 Binding Pocket in Alpha4Beta2 Nicotinic Acetylcholine Receptors Reveals Interface Specific Interactions Important for Binding and Activity