Bacterial family of the archaeo-eukaryotic release factor superfamily. Likely to play roles in biological conflicts or regulation under stress conditions at the ribosome. Consistent with this, many members of the family associate on the genome with HPF-like ribosome hibernation factor [1].

1: Vms1 and ANKZF1 peptidyl-tRNA hydrolases release nascent chains from stalled ribosomes. Verma R, Reichermeier KM, Burroughs AM, Oania RS, Reitsma JM, Aravind L, Deshaies RJ; Nature. 2018;557:446-451. PMID:29632312