This RNA binding Pelota domain [1] is at the C-terminus of a PRTase family [2]. These PRTase+Pelota genes are found in the biosynthetic operon associated with the Ter stress-response operon and are predicted to be involved in the biosynthesis of a ribo-nucleoside involved in stress response [2].

1: Comparative genomics and evolution of proteins involved in RNA metabolism. Anantharaman V, Koonin EV, Aravind L; Nucleic Acids Res. 2002;30:1427-1464. PMID:11917006

2: Ter-dependent stress response systems: novel pathways related to metal sensing, production of a nucleoside-like metabolite, and DNA-processing. Anantharaman V, Iyer LM, Aravind L; Mol Biosyst. 2012;8:3142-3165. PMID:23044854