>tr|F4N788|F4N788_YEREN Transcription antitermination protein NusB OS=Yersinia enterocolitica W22703 GN=nusB MKPAARRRARECAVQALYSWQLSKNDIADVELQFLSEQDVKDVDIAYFRELLSGVAVNAA SLDALMAPVLSRQLEELGQVERAVLRIALFELSKRDDVPYKVAINEAIELAKTFGAADSH KFVNGVLDKVAPTVRKRK