>sp|B2U4M5|EX7S_SHIB3 Exodeoxyribonuclease 7 small subunit OS=Shigella boydii serotype 18 GN=xseB MPKKNEAPASFEKALSELEQIVTRLESGDLPLEEALNEFERGVQLARQGQAKLQQAEQRV QILLSDNEDASLTPFTPDNE