>2FI4_1|Chain A[auth E]|Cationic trypsin|Bos taurus (9913) IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLDSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN >2FI4_2|Chain B[auth I]|Pancreatic trypsin inhibitor|Bos taurus (9913) RPDFCLEPPYTGPSKARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA