mRNA bound to the 30S subunit is a HigB toxin substrate.
Schureck, M.A., Maehigashi, T., Miles, S.J., Marquez, J., Dunham, C.M.(2016) Rna 22: 1261-1270
- PubMed: 27307497 
- DOI: 10.1261/rna.056218.116
- PubMed Abstract: 
Activation of bacterial toxins during stress results in cleavage of mRNAs in the context of the ribosome. These toxins are thought to function as global translational inhibitors yet recent studies suggest each may have distinct mRNA specificities tha ...