Sequence alignment between 2erh(A) and UniProt seq Q03708 (IMM7_ECOLX):

Q03708 (IMM7_ECOLX): Colicin-E7 immunity protein from Escherichia coli
                 10        20        30        40        50        60        70        80       
         ---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MELKNSISDYTEAEFVQLLKEIEKENVAATDDVLDVLLEHFVKITEHPDGTDLIYYPSDNRDDSPEGIVKEIKEWRAANGKPGFKQG
         ..................................X...............X....................................
PDB seq: MELKNSISDYTEAEFVQLLKEIEKENVAATDDVLYVLLEHFVKITEHPDGQDLIYYPSDNRDDSPEGIVKEIKEWRAANGKPGFKQG
         ---------+---------+---------+---------+---------+---------+---------+---------+-------
                 10        20        30        40        50        60        70        80