>1fy4_A mol:protein length:224 TRYPSIN IVGGTSASAGDFPFIVSISRNGGPWCGGSLLNANTVLTAAHCVSGYAQSGFQIRAGSLS RTSGGITSSLSSVRVHPSYSGNNNDLAILKLSTSIPSGGNIGYARLAASGSDPVAGSSA TVAGWGATSEGGSSTPVNLLKVTVPIVSRATCRAQYGTSAITNQMFCAGVSSGGKDSCQ GDSGGPIVDSSNTLIGAVSWGNGCARPNYSGVYASVGALRSFIDTYA >1fy4_B mol:protein length:3 GLY-ALA-ARG GAR >1fy4_B mol:protein length:3 GLY-ALA-ARG GAR