>tr|E6BHP6|E6BHP6_ECOLX Transcription antitermination protein NusB OS=Escherichia coli MS 85-1 GN=nusB MKPAARRRARECAVQALYSWQLSQNDIADVEYQFLAEQDVKDVDVLYFRELLAGVATNTA YLDGLMKPYLSRLLEELGQVEKAVLRIALYELSKRSDVPYKVAINEAIELAKSFGAEDSH KFVNGVLDKAAPVIRPNKK