>sp|A1WVG0|NUSB_HALHL Transcription antitermination protein NusB OS=Halorhodospira halophila GN=nusB MAASGEGKRRSRARSKLVQALYQYAVTGASAEDIERQFLAAGLGDIDVAYFRELIYGVTD RAAELDEQLSALLDRPLVQLDPVERSILRLGAFELSERLEVPYRVVIDESVELARRFGAD QSHRYINGVLDRFGATVALRAAERGERKSRRGDRQ