>tr|A0A4U6HCR5|A0A4U6HCR5_9ENTR Transcription antitermination protein NusB OS=Citrobacter sp. wls714 GN=nusB MKPAARRRARECAVQALYSWQLSQNDIADVEYQFLAEQDVKDVDVLYFRELLSGVATNSA YLDGLMKPYLSRLLEELGQVEKAVLRIALFELSKRSDVPYKVAINEAIELAKTFGAEDSH KFVNGVLDKAAPVIRPNKK