>tr|D3GUB1|D3GUB1_ECO44 Transcription antitermination protein NusB OS=Escherichia coli O44:H18 GN=nusB MKPAARRRARECAVQALYSWQLSQNDIADVEYQFLAEQDVKDVDVLYFRELLAGVATNTA YLDGLMKPYLSRLLEELGQVEKAVLRIALYELSKRSDVPYKVAINEAIELAKSFGAEDSH KFVNGVLDKAAPVIRPNKK