>sp|Q0T7G7|EX7S_SHIF8 Exodeoxyribonuclease 7 small subunit OS=Shigella flexneri serotype 5b GN=xseB MPKKNEAPASFEKALSELEQIVTRLESGDLPLEEALNEFERGVQLARQGQAKLQQAEQRV QILLSDNEDASLTPFTPDNE