>5OR5_1|Chain A|ECF RNA polymerase sigma-E factor,ECF RNA polymerase sigma factor SigW,ECF RNA polymerase sigma-E factor|Escherichia coli (strain K12) (83333) MSEQLTDQVLVERVQKGDQKAFNLLVVRYQHKVASLVSRYVPSGDVPDVVQEAFIKAYRALDSFDINRKFSTWLYRIAVNTAKNYLVAQGRRLEL >5OR5_2|Chain B|DNA (5'-D(*GP*TP*AP*AP*AP*A)-3')|synthetic construct (32630) XTAAAA