>1YLD_2|Chain B|Pancreatic trypsin inhibitor|null RPDFALEPPYTGPCKARIIRYFYNAPDGLAQTFVYGGCRAKRNNFKSAEDAMRTAG >1YLD_1|Chain A|Trypsin II|Rattus norvegicus (10116) IVGGYTCQENSVPYQVSLNSGYHFCGGSLINDQWVVSAAHCYKSRIQVRLGEHNINVLEGNEQFVNAAKIIKHPNFDRKTLNNDIMLIKLSSPVKLNARVATVALPSSCAPAGTQCLISGWGNTLSSGVNEPDLLQCLDAPLLPQADCEASYPGKITDNMVCVGFLEGGKDSCQGDAGGPVVCNGELQGIVSWGYGCALPDNPGVYTKVCNYVDWIQDTIAAN