>tr|D6I7C9|D6I7C9_ECOLX Transcription antitermination protein NusB OS=Escherichia coli B185 GN=nusB MKPAARRRARECAVQALYSWQLSQNDIADVEYQFLAEQDVKDVDVLYFRELLAGVATNTA YLDGLMKPYLSRLLEELGQVEKAVLRIALYELSKRSDVPYKVAINEAIELAKSFGAEDSH KFVNGVLDKAAPVIRPNKK