>sp|Q3AAM6|EX7S_CARHZ Exodeoxyribonuclease 7 small subunit OS=Carboxydothermus hydrogenoformans (strain ATCC BAA-161 / DSM 6008 / Z-2901) OX=246194 GN=xseB PE=3 SV=1 MTFEEAMNRLNEIVERLERGNVGLEESLALFEEGLKLHRFCSEKLKELELKLVEVQEDEA GEVTFEEIVEMEDDLPF