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RalR (a DNase) and RalA (a small RNA) form a type I toxin-antitoxin system in Escherichia coli
(Oxford University Press, 2014-06)
For toxin/antitoxin (TA) systems, no toxin has been identified that functions by cleaving DNA. Here, we demonstrate that RalR and RalA of the cryptic prophage rac form a type I TA pair in which the antitoxin RNA is a ...