>tr|A0A0E1SSA5|A0A0E1SSA5_ECOLX Exodeoxyribonuclease 7 small subunit OS=Escherichia coli 53638 GN=xseB MPKKNEAPASFEKALSELEQIVTRLESGDLPLEEALNEFERGVQLARQGQAKLQQAEQRV QILLSDNEDASLTPFTPDNE