>2MAP_1|Chain A|RNA polymerase sigma factor|Escherichia coli (536056) MSEQLTDQVLVERVQKGDQKAFNLLVVRYQHKVASLVSRYVPSGDVPDVVQEAFIKAYRALDSFRGDSAFYTWLYRIAVNTAKNYLVAQGRRLELV >2MAP_2|Chain B|DNA| TGTCAAA