>3DXE_2|Chains B, D|Amyloid beta A4 protein|Homo sapiens (9606) GAMDAAVAPEERHLSKMQQNGYENPTYKFFEQMQN >3DXE_1|Chains A, C|Amyloid beta A4 protein-binding family B member 1|Homo sapiens (9606) APKNELVQKFQVYYLGNVPVAKPVGVDVINGALESVLSSSSREQWTPSHVSVAPATLTILHQQTEAVLGECRVRFLSFLAVGRDVHTFAFIMAAGPASFCCHMFWCEPNAASLSEAVQAACMLRYQKCLDARSQHHHHHH