>sp|Q03065|RPSB_NOSS1 RNA polymerase sigma-B factor OS=Nostoc sp. GN=sigB MPNSTSQVTKLKSKNNEFSYTADAVSIYLHKIGRVPLLSHEQEIFFAQQVQQMMVMFTAK EELAEKLQREPTLQEWADKMQLKEDVLLQQLSQGQIAKQKMIQANLRLVVSIAKKYQKRN LEFLDLIQEGALGLERGVEKFDPTLGYKFSTYAYWWIRQGITRAIAQQSRTIRLPIHMAD KLNKIKCVQRELSQKLGYIAGVTEIAQALNLEPSQIREYLQLVRQPVSLDMRIGFEQDTQ LQDLLKDDGMSPERYAERELLYQDIHNLLAKLTPQQKEVLILRFGLAGGCELTLVQISQR MGISRERVRQVEKQALTLLRRYGIDSRSYLAD