>sp|P0A8H0|EX7S_ECOL6 Exodeoxyribonuclease 7 small subunit OS=Escherichia coli O6:H1 GN=xseB MPKKNEAPASFEKALSELEQIVTRLESGDLPLEEALNEFERGVQLARQGQAKLQQAEQRV QILLSDNEDASLTPFTPDNE