>tr|A0A4P8C5Y7|A0A4P8C5Y7_ECOLX Transcription antitermination protein NusB OS=Escherichia coli O145:NM GN=nusB MKPAARRRARECAVQALYSWQLSQNDIADVEYQFLAEQDVKDVDVLYFRELLAGVATNTA YLDGLMKPYLSRLLEELGQVEKAVLRIALYELSKRSDVPYKVAINEAIELAKSFGAEDSH KFVNGVLDKAAPVIRPNKK