Sequence alignment between 2kxx(A) and UniProt seq P0A937 (BAME_ECOLI):

P0A937 (BAME_ECOLI): Outer membrane protein assembly factor BamE from Escherichia coli (strain K12)
                 10        20        30        40        50        60        70        80        90       100       110   
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---
UniProt: MRCKTLTAAAAVLLMLTAGCSTLERVVYRPDINQGNYLTANDVSKIRVGMTQQQVAYALGTPLMSDPFGTNTWFYVFRQQPGHEGVTQQTLTLTFNSSGVLTNIDNKPALSGN
         ................XXXX.............................................................................................
PDB seq: ----------------GSHMSTLERVVYRPDINQGNYLTANDVSKIRVGMTQQQVAYALGTPLMSDPFGTNTWFYVFRQQPGHEGVTQQTLTLTFNSSGVLTNIDNKPALSGN
                         ---+---------+---------+---------+---------+---------+---------+---------+---------+---------+---
                           20        30        40        50        60        70        80        90       100       110