Involved in 18S pre-rRNA processing. Associates with U3 snoRNA. Interacts with FBL and PPP1R26. Colocalizes with NCL in the nucleolus. Expressed in appendix, brain, colon, fetal liver, heart, ovary, pancreas, placenta, prostate, skeletal muscle, small intestine, spleen, testis and thymus. Belongs to the UTP20 family. Truncated N-terminus.