Sequence alignment between 1pyt(D) and UniProt seq Q7M3E1 (CTRC_BOVIN):

Q7M3E1 (CTRC_BOVIN): Chymotrypsin-C from Bos taurus
                 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       260        
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MLGITVFTTFLAYASSCGAPIFQPNLSARVVGGEDAIPHSWPWQISLQYLRDNTWRHTCGGTLITPNHVLTAAHCISNTLTYRVALGKNNLEVEDEAGSLYVGVDTIFVHEKWNSFLVRNDIALIKLAETVELSDTIQVACLPEEGSLLPQDYPCFVTGWGRLYTNGPIAAELQQGLQPVVDYATCSQRDWWGTTVKETMVCAGGDGVISACNGDSGGPLNCQAENGNWDVRGIVSFGSGLSCNTFKKPTVFTRVSAYIDWINQKLQL
         .....................................................................................................................................X.........X................................................................................XX.X........................................
PDB seq: ----------------CGAPIFQPNLSARVVGGEDAIPHSWPWQISLQYLRDNTWRHTCGGTLITPNHVLTAAHCISNTLTYRVALGKNNLEVEDEAGSLYVGVDTIFVHEKWNSFLVRNDIALIKLAETVELGDTIQVACLPSEGSLLPQDYPCFVTGWGRLYTNGPIAAELQQGLQPVVDYATCSQRDWWGTTVKETMVCAGGDGVISACNGDSGGPLNCQAD-GQWDVRGIVSFGSGLSCNTFKKPTVFTRVSAYIDWINQKLQL
                         ---------+-------+---------+------------+---------+---------+----------+----------+---------+---------+---------+---------+---------+---------+--------+---------+---------+-----------+----------+---------+---- -----+----------+----------+---------+----
                                710     720       730          740       750       760        770        780       790       800       810       820       830       840      850       860       870         880        890       900        910        920        930       940