>2fma_A mol:protein length:59 Amyloid beta A4 protein precursor EACKFLHQERMDVCETHLHWHTVAKETCSEKSTNLHDYGMLLPCGIDKFRGVEFVCCPL >2fma_A mol:protein length:59 Amyloid beta A4 protein precursor EACKFLHQERMDVCETHLHWHTVAKETCSEKSTNLHDYGMLLPCGIDKFRGVEFVCCPL