>sp|A8AK32|EX7S_CITK8 Exodeoxyribonuclease 7 small subunit OS=Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696) OX=290338 GN=xseB PE=3 SV=1 MPKKNEAPASFETALSELEQIVTRLESGDLPLEEALNEFERGVQLARQGQAKLQQAEQRV QILLSDNEDASPEPFTPDNE