Sequence alignment between 1a19(A) and UniProt seq P11540 (BARS_BACAM):

P11540 (BARS_BACAM): Barstar from Bacillus amyloliquefaciens
                 10        20        30        40        50        60        70        80        90
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MKKAVINGEQIRSISDLHQTLKKELALPEYYGENLDALWDCLTGWVEYPLVLEWRQFEQSKQLTENGAESVLQVFREAKAEGCDITIILS
         ..................................................................................X.......
PDB seq: -KKAVINGEQIRSISDLHQTLKKELALPEYYGENLDALWDCLTGWVEYPLVLEWRQFEQSKQLTENGAESVLQVFREAKAEGADITIILS
          ---------+---------+---------+---------+---------+---------+---------+---------+---------
                  10        20        30        40        50        60        70        80