The function of Ensembl gene identifier ENSG00000163697 (APBB2, amyloid beta precursor protein binding family B member 2) is as follows. Plays a role in the maintenance of lens transparency, and may also play a role in muscle cell strength (By similarity). Involved in hippocampal neurite branching and neuromuscular junction formation, as a result plays a role in spatial memory functioning (By similarity). Activates transcription of APP (PubMed:14527950). .