Sequence alignment between 1z3e(B) and UniProt seq P20429 (RPOA_BACSU):

P20429 (RPOA_BACSU): DNA-directed RNA polymerase subunit alpha from Bacillus subtilis (strain 168)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310    
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
UniProt: MIEIEKPKIETVEISDDAKFGKFVVEPLERGYGTTLGNSLRRILLSSLPGAAVTSIQIDGVLHEFSTIEGVVEDVTTIILHIKKLALKIYSDEEKTLEIDVQGEGTVTAADITHDSDVEILNPDLHIATLGENASFRVRLTAQRGRGYTPADANKRDDQPIGVIPIDSIYTPVSRVSYQVENTRVGQVANYDKLTLDVWTDGSTGPKEAIALGSKILTEHLNIFVGLTDEAQHAEIMVEKEEDQKEKVLEMTIEELDLSVRSYNCLKRAGINTVQELANKTEEDMMKVRNLGRKSLEEVKAKLEELGLGLRKDD
PDB seq: ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KEKVLEMTIEELDLSVRSYNCLKRAGINTVQELANKTEEDMMKVRNLGRKSLEEVKAKLEELGLGLR---
                                                                                                                                                                                                                                                             -----+---------+---------+---------+---------+---------+---------+-   
                                                                                                                                                                                                                                                                250       260       270       280       290       300       310