GhoS is part of the GhoT-GhoS type V toxin-antitoxin (TA) system. GhoT is inhibited by antitoxin GhoS, which specifically cleaves its mRNA [1, 2].

1: A new type V toxin-antitoxin system where mRNA for toxin GhoT is cleaved by antitoxin GhoS. Wang X, Lord DM, Cheng HY, Osbourne DO, Hong SH, Sanchez-Torres V, Quiroga C, Zheng K, Herrmann T, Peti W, Benedik MJ, Page R, Wood TK; Nat Chem Biol. 2012;8:855-861. PMID:22941047

2: Type II toxin/antitoxin MqsR/MqsA controls type V toxin/antitoxin GhoT/GhoS. Wang X, Lord DM, Hong SH, Peti W, Benedik MJ, Page R, Wood TK; Environ Microbiol. 2013;15:1734-1744. PMID:23289863