>tr|A0A0T9NXY9|A0A0T9NXY9_YERKR Transcription antitermination protein NusB OS=Yersinia kristensenii GN=nusB MKPAARRRARECAVQALYSWQLSKNDIADVELQFLSEQDVKDVDIAYFRELLSGVAVNAA SLDALMAPVLSRQLEELGQVERAVLRIALFELSKRDDVPYKVAINEAIELAKTFGAADSH KFVNGVLDKVAPTVRKRK