Sequence alignment between 1ps2(A) and UniProt seq P04155 (TFF1_HUMAN):

P04155 (TFF1_HUMAN): Trefoil factor 1 from Homo sapiens
                 10        20        30        40        50        60        70        80    
         ---------+---------+---------+---------+---------+---------+---------+---------+----
UniProt: MATMENKVICALVLVSMLALGTLAEAQTETCTVAPRERQNCGFPGVTPSQCANKGCCFDDTVRGVPWCFYPNTIDVPPEEECEF
         .................................................................................X..
PDB seq: ------------------------EAQTETCTVAPRERQNCGFPGVTPSQCANKGCCFDDTVRGVPWCFYPNTIDVPPEEESEF
                                 ---------+---------+---------+---------+---------+---------+
                                         10        20        30        40        50        60