Predicted to enable small GTPase binding activity. Predicted to be involved in box C/D snoRNP assembly and rRNA processing. Predicted to be part of R2TP complex and ribonucleoprotein complex. Predicted to be active in cytoplasm. Is expressed in 4th ventricle; 4th ventricle lateral recess; choroid plexus; lateral ventricle choroid plexus; and olfactory epithelium. Orthologous to human PIH1D2 (PIH1 domain containing 2). [provided by Alliance of Genome Resources, Apr 2022]