>tr|A0A9P2RSH1|A0A9P2RSH1_YERPE Exodeoxyribonuclease 7 small subunit OS=Yersinia pestis PY-100 GN=xseB MPKKAASPEIKAASFETSLSELEQIVTRLESGELPLEDALNEFERGVQLARQGQQTLLQA EQRVQILLSDDVDAPLKPFTPDTE