Sequence alignment between 1os8(A) and UniProt seq P00775 (TRYP_STRGR):

P00775 (TRYP_STRGR): Trypsin from Streptomyces griseus
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250         
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
UniProt: MKHFLRALKRCSVAVATVAIAVVGLQPVTASAAPNPVVGGTRAAQGEFPFMVRLSMGCGGALYAQDIVLTAAHCVSGSGNNTSITATGGVVDLQSSSAVKVRSTKVLQAPGYNGTGKDWALIKLAQPINQPTLKIATTTAYNQGTFTVAGWGANREGGSQQRYLLKANVPFVSDAACRSAYGNELVANEEICAGYPDTGGVDTCQGDSGGPMFRKDNADEWIQVGIVSWGYGCARPGYPGVYTEVSTFASAIASAARTL
PDB seq: ------------------------------------VVGGTRAAQGEFPFMVRLSMGCGGALYAQDIVLTAAHCVSGSGNNTSITATGGVVDLQSSSAVKVRSTKVLQAPGYNGTGKDWALIKLAQPINQPTLKIATTTAYNQGTFTVAGWGANREGGSQQRYLLKANVPFVSDAACRSAYGNELVANEEICAGYPDTGGVDTCQGDSGGPMFRKDNADEWIQVGIVSWGYGCARPGYPGVYTEVSTFASAIASAARTL
                                             ----+---------+--------------+---------+---+---------+-------+---------+-------+---------+-----+-------+---------+--------+---------+---------+----------+------------+---------+----------+--------+----------+---------+-----
                                                20        30             50        60 60D        70      80        90     100       110   120     130       140      150       160       170        180          190       200        210      220        230       240