Sequence alignment between 1em8(B) and UniProt seq P28632 (HOLD_ECOLI):

P28632 (HOLD_ECOLI): DNA polymerase III subunit psi from Escherichia coli (strain K12)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MTSRRDWQLQQLGITQWSLRRPGALQGEIAIAIPAHVRLVMVANDLPALTDPLVSDVLRALTVSPDQVLQLTPEKIAMLPQGSHCNSWRLGTDEPLSLEGAQVASPALTDLRANPTARAALWQQICTYEHDFFPRND
PDB seq: --------------------------GEIAIAIPAHVRLVMVANDLPALTDPLVSDVLRALTVSPDQVLQLTPEKIAMLPQGSHCNSWRLGTDEPLSLEGAQVASPALTDLRANPTARAALWQQICTYEHDFFPRN-
                                   ---+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------ 
                                     30        40        50        60        70        80        90       100       110       120       130