Predicted to enable histone binding activity; snRNA binding activity; and ubiquitin-specific protease binding activity. Acts upstream of or within cell morphogenesis; hematopoietic stem cell proliferation; and homeostasis of number of cells. Located in Cajal body. Is expressed in several structures, including genitourinary system; heart; hemolymphoid system; liver; and lung. Orthologous to human SART3 (spliceosome associated factor 3, U4/U6 recycling protein). [provided by Alliance of Genome Resources, Apr 2022]