>tr|A0A6N3QPH5|A0A6N3QPH5_SHIFL Transcription antitermination protein NusB OS=Shigella flexneri CDC 796-83 GN=nusB MKPAARRRARECAVQALYSWQLSQNDIADVEYQFLAEQDVKDVDVLYFRELLAGVATNTA YLDGLMKPYLSRLLEELGQVEKAVLRIALYELSKRSDVPYKVAINEAIELAKSFGAEDSH KFVNGVLDKAAPVIRPNKK