Predicted to enable ribonucleoprotein complex binding activity. Predicted to be located in cytosol; fibrillar center; and nucleoplasm. Predicted to be part of U5 snRNP. Predicted to colocalize with nuclear speck. Orthologous to human CD2BP2 (CD2 cytoplasmic tail binding protein 2). [provided by Alliance of Genome Resources, Apr 2022]