>2OTK_1|Chain A[auth C]|Amyloid beta A4 protein|Homo sapiens (9606) DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVV >2OTK_2|Chains B[auth E], C[auth F]|ZAb3 Affibody dimer|engineered binding protein GSSHHHHHHLQVDNKFNKEMASAGGEIVYLPNLNPDQLCAFIHSLHDDPSQSANLLAEAKKLNDAQAPKVD