Sequence alignment between 6tkl(I) and UniProt seq O97373 (TTI_GLOMM):

O97373 (TTI_GLOMM): Tsetse thrombin inhibitor from Glossina morsitans morsitans 
                 10        20        30        40        50   
         ---------+---------+---------+---------+---------+---
UniProt: MKFFTVLFFLLSIIYLIVAAPGEPGAPIDYDEYGDSSEEVGGTPLHEIPGIRL
         .............................X..X.XXXXXX............X
PDB seq: ---------------------GEPGAPIDXDEXG------GGTPLHEIPGIRX
                              ---------+---      +---------+--
                                      10        20        30