>tr|A0A1X3JLM8|A0A1X3JLM8_ECOLX Exodeoxyribonuclease 7 small subunit OS=Escherichia coli H386 GN=xseB MPKKNEAPASFEKALSELEQIVTRLESGDLPLEEALNEFERGVQLARQGQAKLQQAEQRV QILLSDNEDASLTPFTPDNE