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putative toxin-antitoxin system antitoxin component, TIGR02293 family Proteins in this family are found almost exclusively in the Proteobacteria, but also in Gloeobacter violaceus PCC 7421, a cyanobacterium. This family was proposed by Makarova, et al. (2009) to be the antitoxin component of a new class of type 2 toxin-antitoxin system, or addiction module. [Cellular processes, Other]
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