>tr|A0A9X2Y514|A0A9X2Y514_YERPE Exodeoxyribonuclease 7 small subunit OS=Yersinia pestis subsp. pestis GN=xseB MPKKAASPEIKAASFETSLSELEQIVTRLESGELPLEDALNEFERGVQLARQGQQTLLQA EQRVQILLSDDVDAPLKPFTPDTE