>sp|Q66DV7|NUSB_YERPS Transcription antitermination protein NusB OS=Yersinia pseudotuberculosis serotype I GN=nusB MKPAARRRARECAVQALYSWQLSKNDIADVELQFLSEQDVKDVDIAYFRELLSGVAVNAA SLDALMAPFLSRQLEELGQVERAVLRIALFELSKRDDVPYKVAINEAIELAKTFGAEDSH KFVNGVLDKVAPTVRKRK