This family includes RNA12 from S. cerevisiae. That protein contains an RRM domain. This region is C-terminal to that and includes a P-loop motif suggesting this region binds to NTP. The RNA12 proteins is involved in pre-rRNA maturation [1].

1: rna12+, a gene of Saccharomyces cerevisiae involved in pre-rRNA maturation. Characterization of a temperature-sensitive mutant, cloning and sequencing of the gene. Liang S, Alksne L, Warner JR, Lacroute F; Mol Gen Genet. 1992;232:304-312. PMID:1557037