>tr|A0A4Y3T8D2|A0A4Y3T8D2_DESDE Exodeoxyribonuclease 7 small subunit OS=Desulfovibrio desulfuricans GN=xseB MAGRKKAADFEQQLARLQEIVDALEGGDLPLEKSVALYKEGLGLARASREQLAKARNEIR LFTEGEVRDFDPEEGDDGDDR