Predicted to enable RNA binding activity. Acts upstream of or within anterior/posterior pattern specification and morphogenesis of embryonic epithelium. Located in mitochondrion. Is expressed in several structures, including central nervous system; genitourinary system; gut; liver; and sensory organ. Orthologous to human GRSF1 (G-rich RNA sequence binding factor 1). [provided by Alliance of Genome Resources, Apr 2022]