>3BTF_2|Chain B[auth I]|PROTEIN (PANCREATIC TRYPSIN INHIBITOR)|Bos taurus (9913) RPDFCLEPPYTGPCFARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCLRTCGGA >3BTF_1|Chain A[auth E]|PROTEIN (TRYPSIN)|Bos taurus (9913) IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN