Predicted to be involved in brain development and maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA). Predicted to be located in nucleus. Predicted to be part of small-subunit processome. Predicted to be active in nucleolus. Orthologous to human UTP3 (UTP3 small subunit processome component). [provided by Alliance of Genome Resources, Apr 2022]