>sp|Q9X286|NUSB_THEMA Transcription antitermination protein NusB OS=Thermotoga maritima GN=nusB MKTPRRRMRLAVFKALFQHEFRRDEDLEQILEEILDETYDKKAKEDARRYIRGIKENLSM IDDLISRYLEKWSLNRLSVVDRNVLRLATYELLFEKDIPIEVTIDEAIEIAKRYGTENSG KFVNGILDRIAKEHAPKEKFEL