>30ZS_3|Chain C[auth D]|Alpha-trypsin chain 1|Bos taurus (9913) SGIQVR >30ZS_2|Chain B[auth C]|Alpha-trypsin chain 1|Bos taurus (9913) VASISLPTSCASAGTQCLISGWGNTK >30ZS_1|Chain A|Serine protease 1|Bos taurus (9913) MKTFIFLALLGAAVAFPVDDDDKIVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN