Predicted to enable several functions, including ATP binding activity; ATP hydrolysis activity; and RNA helicase activity. Acts upstream of or within several processes, including digestive system development; liver morphogenesis; and positive regulation of cell differentiation. Predicted to be located in Cajal body and nuclear speck. Predicted to be part of U2-type spliceosomal complex. Predicted to be active in nucleus. Is expressed in brain; digestive system; head; hematopoietic system; and pectoral fin bud. Orthologous to human DDX46 (DEAD-box helicase 46).