>sp|A1VE71|EX7S_DESVV Exodeoxyribonuclease 7 small subunit OS=Desulfovibrio vulgaris subsp. vulgaris GN=xseB MAGRKKAADFEQQLARLQEIVDALEGGDLPLEKSVALYKEGLGLARASREQLAKARNEIR LFTEGEVRDFDPEEGDDGDDR