Inhibits the interaction of APBA2 with beta-amyloid precursor protein (APP), and hence allows formation of beta- amyloid (By similarity). NECAB3 XB51 NECA3_BOVIN APBA2BP X11L-binding protein 51 MACAGLLTVCLIRPPAPEPPRPPAPAPAAGPAGHALFQDVFRRADKNDDGKLSFEEFQNYFADGVLSPGELRELFSGVDGHPADNLETEKLCDYFSEHLGVYRPVLAALESLNCAVLTAMDTTKLEYERASKVDQFVTRFLLRETVSQLQALQSSLEGASDTLEAQAQGPRSDEERVEVPSRPRGSRWAGRRALRSVSRSSTWSPGSSNTGQSSEAEMQWRLQINRLQELIDQLECKAPRLEPLHEEELTKGPSSHILVAQRQVQVAEEALQDFHHALCCYVDFTGSQSHCLHVSAQKMLDKASFTLYEFWQDEASWRRHQQSACSKAFQRILIDHLRAPDTLTTVFFPASWWIMNNN Amyloid beta A4 protein-binding family A member 2-binding protein N-terminal EF-hand calcium-binding protein 3 358