>tr|A0A4D4LXD1|A0A4D4LXD1_STRAX Exodeoxyribonuclease 7 small subunit OS=Streptomyces avermitilis GN=xseB MTSRTDETANATALGYEQARDELIEVVRRLEAGGTTLEESLALWERGEELAKVCRTWLEG ARKRLDAALAEEENAGDDSE