Sequence alignment between 1a3b(I) and UniProt seq P28504 (HIR2_HIRME):

P28504 (HIR2_HIRME): Hirudin-2 from Hirudo medicinalis
                 10        20        30        40        50        60     
         ---------+---------+---------+---------+---------+---------+-----
UniProt: ITYTDCTESGQDLCLCEGSNVCGKGNKCILGSNGEENQCVTGEGTPKPQSHNDGDFEEIPEEYLQ
PDB seq: -----------------------------------------------------GDFEEIPEEYL-
                                                              -+--------- 
                                                              10