>tr|A0A2X4TXS9|A0A2X4TXS9_SALER Transcription antitermination protein NusB OS=Salmonella enterica subsp. arizonae GN=nusB MKPAARRRARECAVQALYSWQLSQNDIADVEYQFLAEQDVKDVDVLYFRELLSGVATNSA YLDGLMKPYLSRLLEELGQVEKAVLRIALFELSKRSDVPYKVAINEAIELAKTFGAEDSH KFVNGVLDKAAPVIRPNKK