>tr|A0A509CH93|A0A509CH93_9ENTR Transcription antitermination protein NusB OS=Salmonella sp. NCTC 6947 GN=nusB MKPAARRRARECAVQALYSWQLSQNDIADVEYQFLAEQDVKDVDVLYFRELLSGVATNSA YLDGLMKPYLSRLLEELGQVEKAVLRIALFELSKRSDVPYKVAINEAIELAKTFGAEDSH KFVNGVLDKAAPVIRPNKK