>sp|P06574|RPSB_BACSU RNA polymerase sigma-B factor OS=Bacillus subtilis GN=sigB MTQPSKTTKLTKDEVDRLISDYQTKQDEQAQETLVRVYTNLVDMLAKKYSKGKSFHEDLR QVGMIGLLGAIKRYDPVVGKSFEAFAIPTIIGEIKRFLRDKTWSVHVPRRIKELGPRIKM AVDQLTTETQRSPKVEEIAEFLDVSEEEVLETMEMGKSYQALSVDHSIEADSDGSTVTIL DIVGSQEDGYERVNQQLMLQSVLHVLSDREKQIIDLTYIQNKSQKETGDILGISQMHVSR LQRKAVKKLREALIEDPSMELM