Sequence alignment between 6tkh(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.XXXXXXX............
PDB seq: ---------------------GEPGAPIDXDEXG-------GTPLHEIPGIR-
                              ---------+--+       ---------+- 
                                      10 20               30