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SAS049 family protein This family of small proteins, about 59 amino acids in length, includes SAS049 from Staphylococcus aureus, SE1307 from Staphylococcus epidermidis, and closely related proteins from other staphylococcal species. The N-terminal region appears highly similar to Rv0909 from Mycobacterium tuberculosis, which appears to be the antitoxin member of a novel class of type 2 toxin-antitoxin system (see PF14013).
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