Predicted to enable 3'-5' RNA helicase activity; mRNA binding activity; and single-stranded RNA binding activity. Predicted to be involved in mRNA splicing, via spliceosome. Predicted to be located in nucleoplasm. Predicted to be part of U2-type catalytic step 2 spliceosome. Orthologous to human AQR (aquarius intron-binding spliceosomal factor). [provided by Alliance of Genome Resources, Apr 2022]