Sequence alignment between 1h9h(E) and UniProt seq P00761 (TRYP_PIG):

P00761 (TRYP_PIG): Trypsin from Sus scrofa
                 10         20        30         40         50        60        70        80        90       100       110       120        130       140        150       160       170       180        190        200        210       220       230 
         ---------+----- ----+---------+--- ------+--------- +---------+---------+---------+---------+---------+---------+---------+---- -----+---------+----- ----+---------+---------+---------+- --------+- --------+----- ----+---------+---------+-
UniProt: FPTDDDDKIVGGYTC-AANSIPYQVSLNSGSHFC-GGSLINSQWVVSAAHC-YKSRIQVRLGEHNIDVLEGNEQFINAAKIITHPNFNGNTLDNDIMLIKLSSPATLNSRVATVSLPRSCAAAGTEC-LISGWGNTKSSGSSYPSLLQC-LKAPVLSDSSCKSSYPGQITGNMICVGFLEGGKDSC-QGDSGGPVVC-NGQLQGIVSWGYGC-AQKNKPGVYTKVCNYVNWIQQTIAAN
         ...............X..................X................X...........................................................................X.....................X....................................X..........X..............X..........................
PDB seq: --------IVGGYTCSAANSIPYQVSLNSGSHFCSGGSLINSQWVVSAAHCSYKSRIQVRLGEHNIDVLEGNEQFINAAKIITHPNFNGNTLDNDIMLIKLSSPATLNSRVATVSLPRSCAAAGTECSLISGWGNTKSSGSSYPSLLQCSLKAPVLSDSSCKSSYPGQITGNMICVGFLEGGKDSCSQGDSGGPVVCSNGQLQGIVSWGYGCSAQKNKPGVYTKVCNYVNWIQQTIAAN
                 ----+----------+-------+----------+----------+--------+---------+---------+---------+---------+---------+--------+---------+---------+----------+---------+---------+-----------+----------+------+--------+-----------+---------+-----
                    20         30      40         50         60       70        80        90       100       110       120      130       140       150        160       170       180         190        200    210      220         230       240