Binds RNA. Interacts with FMR1 (PubMed:10556305). Interacts with ZNHIT3 (PubMed:28335020). Distributed in the nucleus in a dot-like pattern. Expressed in spleen, thymus, prostate, testis, ovary, small intestine, colon, peripheral blood leukocyte, heart, brain, placenta, lung, liver, skeletal muscle, kidney, and pancreas.