Sequence alignment between 5byh(E) and UniProt seq P0A800 (RPOZ_ECOLI):

P0A800 (RPOZ_ECOLI): DNA-directed RNA polymerase subunit omega from Escherichia coli (strain K12)
                 10        20        30        40        50        60        70        80        90 
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLINNQILDVRERQEQQEQEAAELQAVTAIAEGRR
PDB seq: ----TVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLINNQILDVRERQEQQEQEAAELQAV--------
             -----+---------+---------+---------+---------+---------+---------+---------+---        
                 10        20        30        40        50        60        70        80