>2mgt_B mol:protein length:18 Amyloid beta A4 protein XDAEFRRDSGYEVHHQKX >2mgt_B mol:protein length:18 Amyloid beta A4 protein XDAEFRRDSGYEVHHQKX >2mgt_A mol:protein length:18 Amyloid beta A4 protein XDAEFRRDSGYEVHHQKX