>1u38_B mol:protein length:4 PVYI PVYI >1u38_A mol:protein length:89 amyloid beta A4 precursor protein-binding, family A, member 1 EFKDVFIEKQKGEILGVVIVESGWGSILPTVIIANMMHGGPAEKSGKLNIGDQIMSING TSLVGLPLSTCQSIIKGLKNQSRVKLNIVR >1u38_B mol:protein length:4 PVYI PVYI