>sp|P0A782|NUSB_ECO57 Transcription antitermination protein NusB OS=Escherichia coli O157:H7 OX=83334 GN=nusB PE=3 SV=1 MKPAARRRARECAVQALYSWQLSQNDIADVEYQFLAEQDVKDVDVLYFRELLAGVATNTA YLDGLMKPYLSRLLEELGQVEKAVLRIALYELSKRSDVPYKVAINEAIELAKSFGAEDSH KFVNGVLDKAAPVIRPNKK