Antitoxin component of a type II toxin-antitoxin (TA) system. Labile antitoxin that binds to cognate MazF4 toxin and counteracts its endoribonuclease activity.
Antitoxin component of a type II toxin-antitoxin (TA) system. In M.smegmatis neutralizes the toxic effect of mRNA interferase MazF4, its cognate toxin, on growth.