>tr|A0A4P6WMH7|A0A4P6WMH7_9ENTR Transcription antitermination protein NusB OS=Citrobacter arsenatis GN=nusB MKPAARRRARECAVQALYSWQLSQNDIADVEYQFLAEQDVKDVDVLYFRELLSGVATNSA YLDGLMKPYLSRLLEELGQVEKAVLRIALFELSKRSDVPYKVAINEAIELAKTFGAEDSH KFVNGVLDKAAPVIRPNKK